{ "spec_version": "0.7.0-draft.5", "slug": "microban", "as_of": "2026-10-04", "region": "US", "currency": "USD", "note": "Dated observations, not checkout quotes. Confirmed broken or unavailable listings remain in history but do not count. No referral links. Shipping and tax are separate.", "configurations": [ { "configuration_id": "microban-standard", "label": "Microban (19 x XL330-M288-T, Pi Zero 2 W, RPI Robot HAT)", "first_task": "Configure the motors and run the robot software on the Pi (deployment guide)", "upstream_bom_url": "https://github.com/Rhoban/microban/blob/0c814b4b8cc9d0a2f650a4ecb5004304f6ccc6c2/docs/bom.md", "upstream_revision": "0c814b4b8cc9d0a2f650a4ecb5004304f6ccc6c2", "bom_coverage": { "status": "partial", "source_ids": [ "S005" ], "notes": "BOM reconciled line by line, printed parts mapped and sliced. Not complete: wiring and connectors for the battery circuit are not itemised, and several components have no identified US offer." }, "labor_hours": { "value": null, "status": "unknown" }, "ownership_scenarios": [ { "scenario_id": "owns-computer-and-printer", "owned_requirements": [ { "requirement_id": "host-computer", "quantity": 1, "basis": "documented_assumption", "note": "Common case: reader already has a suitable computer." }, { "requirement_id": "printer", "quantity": 1, "basis": "documented_assumption", "note": "Common case: reader already has a 3D printer." } ] } ], "shipping_estimates": [], "lines": [ { "line_id": "battery-holder", "part_id": "battery-holder-2x18650", "quantity": 1, "layer": "power_and_cabling", "required": true, "source_ids": [ "S005" ], "substitutes": [], "notes": "" }, { "line_id": "bms", "part_id": "bms-2s-18650", "quantity": 1, "layer": "power_and_cabling", "required": true, "source_ids": [ "S005" ], "substitutes": [], "notes": "" }, { "line_id": "switch", "part_id": "power-switch-microban", "quantity": 1, "layer": "power_and_cabling", "required": true, "source_ids": [ "S005" ], "substitutes": [], "notes": "" }, { "line_id": "charger", "part_id": "charger-module-2s-usb-c", "quantity": 1, "layer": "power_and_cabling", "required": true, "source_ids": [ "S005" ], "substitutes": [], "notes": "One of the 2-pack." }, { "line_id": "cells", "part_id": "li-ion-18650-sony-vtc6", "quantity": 2, "layer": "power_and_cabling", "required": true, "source_ids": [ "S005" ], "substitutes": [], "notes": "" }, { "line_id": "pi", "part_id": "raspberry-pi-zero-2-w", "quantity": 1, "layer": "purchased_parts", "required": true, "source_ids": [ "S005" ], "substitutes": [], "notes": "" }, { "line_id": "robot-hat", "part_id": "rpi-robot-hat-pcba", "quantity": 1, "layer": "fabricated_parts", "required": true, "source_ids": [ "S005" ], "substitutes": [], "notes": "Must be manufactured from the open design files." }, { "line_id": "microsd", "part_id": "microsd-32gb-a1", "quantity": 1, "layer": "purchased_parts", "required": true, "source_ids": [ "S005" ], "substitutes": [], "notes": "" }, { "line_id": "servos", "part_id": "dynamixel-xl330-m288-t", "quantity": 19, "layer": "purchased_parts", "required": true, "source_ids": [ "S005" ], "substitutes": [], "notes": "BOM lists USD 23.90 each at the ROBOTIS global store; US price from ROBOTIS America." }, { "line_id": "screws-m2x6", "part_id": "screw-m2x6-stp39", "quantity": 10, "layer": "purchased_parts", "required": true, "source_ids": [ "S005" ], "substitutes": [], "notes": "The 19 servo kits include 114 M2x6 screws; assembly needs 124." }, { "line_id": "screws-m2-5x6", "part_id": "screw-m2-5x6", "quantity": 18, "layer": "purchased_parts", "required": true, "source_ids": [ "S005" ], "substitutes": [], "notes": "" }, { "line_id": "shims-pom", "part_id": "shim-pom-20x30x1", "quantity": 4, "layer": "purchased_parts", "required": true, "source_ids": [ "S005" ], "substitutes": [], "notes": "" }, { "line_id": "shims-steel", "part_id": "shim-steel-25x30x0-3", "quantity": 8, "layer": "purchased_parts", "required": true, "source_ids": [ "S005" ], "substitutes": [], "notes": "" }, { "line_id": "u2d2", "part_id": "robotis-u2d2", "quantity": 1, "layer": "tools", "required": true, "source_ids": [ "S005" ], "substitutes": [], "notes": "Configuration tool for the DYNAMIXEL motors." }, { "line_id": "u2d2-hub", "part_id": "robotis-u2d2-power-hub", "quantity": 1, "layer": "tools", "required": true, "source_ids": [ "S005" ], "substitutes": [], "notes": "Configuration tool." }, { "line_id": "config-psu", "part_id": "psu-5v-2a-barrel", "quantity": 1, "layer": "tools", "required": true, "source_ids": [ "S005" ], "substitutes": [], "notes": "BOM: 5 V DC supply for the power hub (AliExpress link); a US 5 V 2 A barrel adapter is used." }, { "line_id": "host-computer", "part_id": "host-computer-lerobot", "quantity": 1, "layer": "host_compute", "required": true, "source_ids": [ "S007" ], "substitutes": [], "notes": "Computer used to configure motors and deploy software." }, { "line_id": "printer", "part_id": "fdm-3d-printer", "quantity": 1, "layer": "tools", "required": true, "source_ids": [ "S010" ], "substitutes": [], "notes": "Required for the self-print route." } ], "printed": { "groups": [ { "requirement_id": "printed-parts", "required": true, "source_ids": [ "S010" ], "route": "self_print", "material_part_id": "pla-filament", "mass_low_g": 288.9, "mass_high_g": 430.4, "method": "Slicer: PrusaSlicer-2.9.6 based on Slic3r (with GUI support); each listed file sliced separately (retained source evidence): low = no supports, 2 perimeters; high = supports everywhere, 3 perimeters.", "assumptions": "Printing guide settings: PLA, 0.12 mm layers, 15% infill. Its recommended orientations are given only as images, so files are sliced as modelled and supports bracket the range. 0.4 mm nozzle assumed; no skirt or brim; one successful print, no reprint allowance. Idle horns and caps can alternatively be bought from ROBOTIS; printing is used here.", "estimate_complete": true, "parts": [ { "archive_url": "https://github.com/Rhoban/microban/archive/0c814b4b8cc9d0a2f650a4ecb5004304f6ccc6c2.tar.gz", "path": "cad/stl/foot.stl", "sha256": "217858703bf52520f6a1023ce27c67a65509b986d806b8f5a39419edfc61c5b8", "quantity": 2, "included": true, "role": "kit" }, { "archive_url": "https://github.com/Rhoban/microban/archive/0c814b4b8cc9d0a2f650a4ecb5004304f6ccc6c2.tar.gz", "path": "cad/stl/tibia_left.stl", "sha256": "fc69c3022572d6c97b895646664b74884a8c7323a9b7c75760489e9ba0fa2781", "quantity": 1, "included": true, "role": "kit" }, { "archive_url": "https://github.com/Rhoban/microban/archive/0c814b4b8cc9d0a2f650a4ecb5004304f6ccc6c2.tar.gz", "path": "cad/stl/tibia_right.stl", "sha256": "3c128f2429582f20c23c6cbf8ef2c2312f0644b01c16401cb97ea02151a60f43", "quantity": 1, "included": true, "role": "kit" }, { "archive_url": 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"required_groups": 7, "priced_groups": 2, "unpriced": [ "pi", "screws-m2-5x6", "screws-m2x6", "shims-pom", "shims-steel" ], "oldest_price_date": "2026-10-04", "newest_price_date": "2026-10-04" }, "printed_parts": { "low": 14.99, "high": 14.99, "required_groups": 1, "priced_groups": 1, "unpriced": [], "oldest_price_date": "2026-10-04", "newest_price_date": "2026-10-04", "consumption_low": 4.33, "consumption_high": 6.45 }, "fabricated_parts": { "low": 0, "high": 0, "required_groups": 1, "priced_groups": 0, "unpriced": [ "robot-hat" ], "oldest_price_date": null, "newest_price_date": null }, "power_and_cabling": { "low": 23.97, "high": 23.97, "required_groups": 5, "priced_groups": 2, "unpriced": [ "battery-holder", "bms", "switch" ], "oldest_price_date": "2026-10-04", "newest_price_date": "2026-10-04" }, "host_compute": { "low": 0, "high": 0, "required_groups": 1, "priced_groups": 0, "unpriced": [ "host-computer" ], "oldest_price_date": null, "newest_price_date": null }, "sensors_camera": { "low": 0, "high": 0, "required_groups": 0, "priced_groups": 0, "unpriced": [], "oldest_price_date": null, "newest_price_date": null }, "tools": { "low": 65.16, "high": 65.16, "required_groups": 4, "priced_groups": 3, "unpriced": [ "printer" ], "oldest_price_date": "2026-10-04", "newest_price_date": "2026-10-04" }, "shipping_tax": { "low": 0, "high": 0, "required_groups": 1, "priced_groups": 0, "unpriced": [ "shipping_tax" ], "oldest_price_date": null, "newest_price_date": null } }, "labor_hours": { "value": null, "status": "unknown" }, "bom_coverage": "partial", "pricing_coverage": { "required_groups": 19, "priced_groups": 8, "ratio": 0.4211, "unpriced": [ "battery-holder", "bms", "host-computer", "pi", "printer", "robot-hat", "screws-m2-5x6", "screws-m2x6", "shims-pom", "shims-steel", "switch" ] }, "setup_readiness": "incomplete", "parts_total": { "low": 585.27, "high": null, "complete": false, "gaps": [ "battery-holder", "bms", "pi", "robot-hat", "screws-m2-5x6", "screws-m2x6", "shims-pom", "shims-steel", "switch" ] }, "required_total": { "low": 650.43, "high": null, "complete": false, "gaps": [ "battery-holder", "bms", "host-computer", "pi", "printer", "robot-hat", "screws-m2-5x6", "screws-m2x6", "shims-pom", "shims-steel", "shipping_tax", "switch" ] }, "price_dates": { "oldest": "2026-10-04", "newest": "2026-10-04", "upstream_reported_groups": [] }, "selected_observations": { "low": [ { "group": "material:pla-filament", "part_id": "pla-filament", "offer_id": "amazon-b0cs2zsz6f", "observation_id": "amazon-2026-10-04", "packs": 1, "expenditure": 14.99, "check_method": "manual", "price_observed_at": "2026-10-04" }, { "group": "part:charger-module-2s-usb-c", "part_id": "charger-module-2s-usb-c", "offer_id": "amazon-b0bwtk7svn", "observation_id": "amazon-2026-10-04", "packs": 1, "expenditure": 9.99, "check_method": "manual", "price_observed_at": "2026-10-04" }, { "group": "part:dynamixel-xl330-m288-t", "part_id": "dynamixel-xl330-m288-t", "offer_id": "robotis-dynamixel-xl330-m288-t", "observation_id": "robotis-2026-10-04", "packs": 19, "expenditure": 522.31, "check_method": "manual", "price_observed_at": "2026-10-04" }, { "group": "part:li-ion-18650-sony-vtc6", "part_id": "li-ion-18650-sony-vtc6", "offer_id": "18650batterystore-sony-vtc6", "observation_id": "store-2026-10-04", "packs": 2, "expenditure": 13.98, "check_method": "manual", "price_observed_at": "2026-10-04" }, { "group": "part:microsd-32gb-a1", "part_id": "microsd-32gb-a1", "offer_id": "amazon-b08gy9nyrm", "observation_id": "amazon-2026-10-04", "packs": 1, "expenditure": 24, "check_method": "manual", "price_observed_at": "2026-10-04" }, { "group": "part:psu-5v-2a-barrel", "part_id": "psu-5v-2a-barrel", "offer_id": "amazon-b0bzs779mc", "observation_id": "amazon-2026-10-04", "packs": 1, "expenditure": 6.39, "check_method": "manual", "price_observed_at": "2026-10-04" }, { "group": "part:robotis-u2d2", "part_id": "robotis-u2d2", "offer_id": "robotis-u2d2", "observation_id": "store-2026-10-04", "packs": 1, "expenditure": 36.92, "check_method": "manual", "price_observed_at": "2026-10-04" }, { "group": "part:robotis-u2d2-power-hub", "part_id": "robotis-u2d2-power-hub", "offer_id": "robotis-u2d2-power-hub", "observation_id": "store-2026-10-04", "packs": 1, "expenditure": 21.85, "check_method": "manual", "price_observed_at": "2026-10-04" } ], "high": [ { "group": "material:pla-filament", "part_id": "pla-filament", "offer_id": "amazon-b0cs2zsz6f", "observation_id": "amazon-2026-10-04", "packs": 1, "expenditure": 14.99, "check_method": "manual", "price_observed_at": "2026-10-04" }, { "group": "part:charger-module-2s-usb-c", "part_id": "charger-module-2s-usb-c", "offer_id": "amazon-b0bwtk7svn", "observation_id": "amazon-2026-10-04", "packs": 1, "expenditure": 9.99, "check_method": "manual", "price_observed_at": "2026-10-04" }, { "group": "part:dynamixel-xl330-m288-t", "part_id": "dynamixel-xl330-m288-t", "offer_id": "robotis-dynamixel-xl330-m288-t", "observation_id": "robotis-2026-10-04", "packs": 19, "expenditure": 522.31, "check_method": "manual", "price_observed_at": "2026-10-04" }, { "group": "part:li-ion-18650-sony-vtc6", "part_id": "li-ion-18650-sony-vtc6", "offer_id": "18650batterystore-sony-vtc6", "observation_id": "store-2026-10-04", "packs": 2, "expenditure": 13.98, "check_method": "manual", "price_observed_at": "2026-10-04" }, { "group": "part:microsd-32gb-a1", "part_id": "microsd-32gb-a1", "offer_id": "amazon-b08gy9nyrm", "observation_id": "amazon-2026-10-04", "packs": 1, "expenditure": 24, "check_method": "manual", "price_observed_at": "2026-10-04" }, { "group": "part:psu-5v-2a-barrel", "part_id": "psu-5v-2a-barrel", "offer_id": "amazon-b0bzs779mc", "observation_id": "amazon-2026-10-04", "packs": 1, "expenditure": 6.39, "check_method": "manual", "price_observed_at": "2026-10-04" }, { "group": "part:robotis-u2d2", "part_id": "robotis-u2d2", "offer_id": "robotis-u2d2", "observation_id": "store-2026-10-04", "packs": 1, "expenditure": 36.92, "check_method": "manual", "price_observed_at": "2026-10-04" }, { "group": "part:robotis-u2d2-power-hub", "part_id": "robotis-u2d2-power-hub", "offer_id": "robotis-u2d2-power-hub", "observation_id": "store-2026-10-04", "packs": 1, "expenditure": 21.85, "check_method": "manual", "price_observed_at": "2026-10-04" } ] }, "as_of_date": "2026-10-04", "computed_at": "2026-10-04", "tool_version": "0.7.0-draft.5", "tool_hash": "b3a901ff5bbade76fe67cecf535fd822a7fce97a6b33b761ac6a8bfc1edffc23" }, { "configuration_id": "microban-standard", "region": "US", "currency": "USD", "scenario_id": "owns-computer-and-printer", "layers": { "purchased_parts": { "low": 546.31, "high": 546.31, "required_groups": 7, "priced_groups": 2, "unpriced": [ "pi", "screws-m2-5x6", "screws-m2x6", "shims-pom", "shims-steel" ], "oldest_price_date": "2026-10-04", "newest_price_date": "2026-10-04" }, "printed_parts": { "low": 14.99, "high": 14.99, "required_groups": 1, "priced_groups": 1, "unpriced": [], "oldest_price_date": "2026-10-04", "newest_price_date": "2026-10-04", "consumption_low": 4.33, "consumption_high": 6.45 }, "fabricated_parts": { "low": 0, "high": 0, "required_groups": 1, "priced_groups": 0, "unpriced": [ "robot-hat" ], "oldest_price_date": null, "newest_price_date": null }, "power_and_cabling": { "low": 23.97, "high": 23.97, "required_groups": 5, "priced_groups": 2, "unpriced": [ "battery-holder", "bms", "switch" ], "oldest_price_date": "2026-10-04", "newest_price_date": "2026-10-04" }, "host_compute": { "low": 0, "high": 0, "required_groups": 1, "priced_groups": 1, "unpriced": [], "oldest_price_date": null, "newest_price_date": null }, "sensors_camera": { "low": 0, "high": 0, "required_groups": 0, "priced_groups": 0, "unpriced": [], "oldest_price_date": null, "newest_price_date": null }, "tools": { "low": 65.16, "high": 65.16, "required_groups": 4, "priced_groups": 4, "unpriced": [], "oldest_price_date": "2026-10-04", "newest_price_date": "2026-10-04" }, "shipping_tax": { "low": 0, "high": 0, "required_groups": 1, "priced_groups": 0, "unpriced": [ "shipping_tax" ], "oldest_price_date": null, "newest_price_date": null } }, "labor_hours": { "value": null, "status": "unknown" }, "bom_coverage": "partial", "pricing_coverage": { "required_groups": 17, "priced_groups": 8, "ratio": 0.4706, "unpriced": [ "battery-holder", "bms", "pi", "robot-hat", "screws-m2-5x6", "screws-m2x6", "shims-pom", "shims-steel", "switch" ] }, "setup_readiness": "incomplete", "parts_total": { "low": 585.27, "high": null, "complete": false, "gaps": [ "battery-holder", "bms", "pi", "robot-hat", "screws-m2-5x6", "screws-m2x6", "shims-pom", "shims-steel", "switch" ] }, "required_total": { "low": 650.43, "high": null, "complete": false, "gaps": [ "battery-holder", "bms", "pi", "robot-hat", "screws-m2-5x6", "screws-m2x6", "shims-pom", "shims-steel", "shipping_tax", "switch" ] }, "price_dates": { "oldest": "2026-10-04", "newest": "2026-10-04", "upstream_reported_groups": [] }, "selected_observations": { "low": [ { "group": "material:pla-filament", "part_id": "pla-filament", "offer_id": "amazon-b0cs2zsz6f", "observation_id": "amazon-2026-10-04", "packs": 1, "expenditure": 14.99, "check_method": "manual", "price_observed_at": "2026-10-04" }, { "group": "part:charger-module-2s-usb-c", "part_id": "charger-module-2s-usb-c", "offer_id": "amazon-b0bwtk7svn", "observation_id": "amazon-2026-10-04", "packs": 1, "expenditure": 9.99, "check_method": "manual", "price_observed_at": "2026-10-04" }, { "group": "part:dynamixel-xl330-m288-t", "part_id": "dynamixel-xl330-m288-t", "offer_id": "robotis-dynamixel-xl330-m288-t", "observation_id": "robotis-2026-10-04", "packs": 19, "expenditure": 522.31, "check_method": "manual", "price_observed_at": "2026-10-04" }, { "group": "part:li-ion-18650-sony-vtc6", "part_id": "li-ion-18650-sony-vtc6", "offer_id": "18650batterystore-sony-vtc6", "observation_id": "store-2026-10-04", "packs": 2, "expenditure": 13.98, "check_method": "manual", "price_observed_at": "2026-10-04" }, { "group": "part:microsd-32gb-a1", "part_id": "microsd-32gb-a1", "offer_id": "amazon-b08gy9nyrm", "observation_id": "amazon-2026-10-04", "packs": 1, "expenditure": 24, "check_method": "manual", "price_observed_at": "2026-10-04" }, { "group": "part:psu-5v-2a-barrel", "part_id": "psu-5v-2a-barrel", "offer_id": "amazon-b0bzs779mc", "observation_id": "amazon-2026-10-04", "packs": 1, "expenditure": 6.39, "check_method": "manual", "price_observed_at": "2026-10-04" }, { "group": "part:robotis-u2d2", "part_id": "robotis-u2d2", "offer_id": "robotis-u2d2", "observation_id": "store-2026-10-04", "packs": 1, "expenditure": 36.92, "check_method": "manual", "price_observed_at": "2026-10-04" }, { "group": "part:robotis-u2d2-power-hub", "part_id": "robotis-u2d2-power-hub", "offer_id": "robotis-u2d2-power-hub", "observation_id": "store-2026-10-04", "packs": 1, "expenditure": 21.85, "check_method": "manual", "price_observed_at": "2026-10-04" } ], "high": [ { "group": "material:pla-filament", "part_id": "pla-filament", "offer_id": "amazon-b0cs2zsz6f", "observation_id": "amazon-2026-10-04", "packs": 1, "expenditure": 14.99, "check_method": "manual", "price_observed_at": "2026-10-04" }, { "group": "part:charger-module-2s-usb-c", "part_id": "charger-module-2s-usb-c", "offer_id": "amazon-b0bwtk7svn", "observation_id": "amazon-2026-10-04", "packs": 1, "expenditure": 9.99, "check_method": "manual", "price_observed_at": "2026-10-04" }, { "group": "part:dynamixel-xl330-m288-t", "part_id": "dynamixel-xl330-m288-t", "offer_id": "robotis-dynamixel-xl330-m288-t", "observation_id": "robotis-2026-10-04", "packs": 19, "expenditure": 522.31, "check_method": "manual", "price_observed_at": "2026-10-04" }, { "group": "part:li-ion-18650-sony-vtc6", "part_id": "li-ion-18650-sony-vtc6", "offer_id": "18650batterystore-sony-vtc6", "observation_id": "store-2026-10-04", "packs": 2, "expenditure": 13.98, "check_method": "manual", "price_observed_at": "2026-10-04" }, { "group": "part:microsd-32gb-a1", "part_id": "microsd-32gb-a1", "offer_id": "amazon-b08gy9nyrm", "observation_id": "amazon-2026-10-04", "packs": 1, "expenditure": 24, "check_method": "manual", "price_observed_at": "2026-10-04" }, { "group": "part:psu-5v-2a-barrel", "part_id": "psu-5v-2a-barrel", "offer_id": "amazon-b0bzs779mc", "observation_id": "amazon-2026-10-04", "packs": 1, "expenditure": 6.39, "check_method": "manual", "price_observed_at": "2026-10-04" }, { "group": "part:robotis-u2d2", "part_id": "robotis-u2d2", "offer_id": "robotis-u2d2", "observation_id": "store-2026-10-04", "packs": 1, "expenditure": 36.92, "check_method": "manual", "price_observed_at": "2026-10-04" }, { "group": "part:robotis-u2d2-power-hub", "part_id": "robotis-u2d2-power-hub", "offer_id": "robotis-u2d2-power-hub", "observation_id": "store-2026-10-04", "packs": 1, "expenditure": 21.85, "check_method": "manual", "price_observed_at": "2026-10-04" } ] }, "as_of_date": "2026-10-04", "computed_at": "2026-10-04", "tool_version": "0.7.0-draft.5", "tool_hash": "b3a901ff5bbade76fe67cecf535fd822a7fce97a6b33b761ac6a8bfc1edffc23" } ], "parts": { "battery-holder-2x18650": { "name": "2 x 18650 battery holder", "unit": "each", "spec_summary": "Holder for two 18650 cells with leads.", "manufacturer": null, "mpn": null, "identity_sources": [ "S001" ], "substitutes": [], "notes": "BOM links amazon.fr B08YDTSML8 (~USD 5); that ASIN is not on amazon.com. No US offer recorded.", "sources": [ { "id": "S001", "type": "upstream", "title": "Microban bill of materials (docs/bom.md)", "url": "https://github.com/Rhoban/microban/blob/0c814b4b8cc9d0a2f650a4ecb5004304f6ccc6c2/docs/bom.md", "publisher": "Rhoban", "locator": "Robot Components; Configuration Tools", "finding": "Lists components, quantities, approximate prices and (mostly European) purchase links.", "accessed_at": "2026-10-04" } ], "offers": [] }, "bms-2s-18650": { "name": "2S battery management board for 18650 cells", "unit": "each", "spec_summary": "Protection/BMS board for two 18650 cells in series.", "manufacturer": null, "mpn": null, "identity_sources": [ "S001" ], "substitutes": [], "notes": "BOM links amazon.fr B0GJLGG7MM (~USD 10); not on amazon.com. No US offer recorded.", "sources": [ { "id": "S001", "type": "upstream", "title": "Microban bill of materials (docs/bom.md)", "url": "https://github.com/Rhoban/microban/blob/0c814b4b8cc9d0a2f650a4ecb5004304f6ccc6c2/docs/bom.md", "publisher": "Rhoban", "locator": "Robot Components; Configuration Tools", "finding": "Lists components, quantities, approximate prices and (mostly European) purchase links.", "accessed_at": "2026-10-04" } ], "offers": [] }, "charger-module-2s-usb-c": { "name": "2S Li-ion USB-C charge module (8.4 V)", "unit": "each", "spec_summary": "USB-C input 2S lithium battery charge/boost module, 8.4 V output; sold as a 2-pack.", "manufacturer": null, "mpn": null, "identity_sources": [ "S001", "S002" ], "substitutes": [], "notes": "Same ASIN (B0BWTK7SVN) as the BOM's amazon.fr link.", "sources": [ { "id": "S001", "type": "upstream", "title": "Microban bill of materials (docs/bom.md)", "url": "https://github.com/Rhoban/microban/blob/0c814b4b8cc9d0a2f650a4ecb5004304f6ccc6c2/docs/bom.md", "publisher": "Rhoban", "locator": "Robot Components; Configuration Tools", "finding": "Lists components, quantities, approximate prices and (mostly European) purchase links.", "accessed_at": "2026-10-04" }, { "id": "S002", "type": "vendor", "title": "Adeept Type-C USB-C 2S 2A 18650 21700 3.7V Lithium Battery Charge Module Charging Board Step-Up Boost Li-Po Polymer USB C to 8.4V - 2PCS", "url": "https://www.amazon.com/dp/B0BWTK7SVN", "publisher": "Amazon.com", "locator": "Buy box captured in the built-in browser for \"charger-2s-adeept\"", "finding": "Current price, availability and seller as displayed.", "accessed_at": "2026-10-04", "attribution_note": "Captured in the built-in browser; scripted fetches received CAPTCHA pages, which were not bypassed." } ], "offers": [ { "offer_id": "amazon-b0bwtk7svn", "supplier": "Adeept Official", "url": "https://www.amazon.com/dp/B0BWTK7SVN", "region": "US", "observations": [ { "observation_id": "amazon-2026-10-04", "currency": "USD", "pack_price": 9.99, "pack_qty": 2, "moq_packs": 1, "stock": "in_stock", "source_checked_at": "2026-10-04", "price_observed_at": "2026-10-04", "stock_observed_at": "2026-10-04", "check_method": "manual", "link_status": "working", "source_ids": [ "S002" ], "shipping_note": "Amazon US listing; shipping and sales tax depend on address and membership, not established.", "notes": "Buy box read on 2026-10-04; seller: Adeept Official; variants: 2S-2A-8.4V_2PCS. Same ASIN as the BOM's amazon.fr link." } ] } ] }, "dynamixel-xl330-m288-t": { "name": "DYNAMIXEL XL330-M288-T", "unit": "each", "spec_summary": "ROBOTIS DYNAMIXEL XL330-M288-T TTL servo; package includes cable and horn/frame bolts.", "manufacturer": "ROBOTIS", "mpn": "XL330-M288-T", "identity_sources": [ "S001", "S003" ], "substitutes": [], "notes": "", "sources": [ { "id": "S001", "type": "upstream", "title": "Koch low_cost_robot README bill of materials", "url": "https://github.com/AlexanderKoch-Koch/low_cost_robot/blob/0602b0c1e6a67d8f6ab96f81d1378639018d98af/README.md", "publisher": "Alexander Koch", "locator": "Follower Arm / Leader Arm: Required Materials", "finding": "Lists parts, costs and purchase links for the follower and leader arms.", "accessed_at": "2026-10-04" }, { "id": "S002", "type": "upstream", "title": "Koch README commit history and price presence scan", "url": "https://github.com/AlexanderKoch-Koch/low_cost_robot/commits/main/README.md", "publisher": "Alexander Koch", "locator": "Commits touching README.md; presence of the cost figures at each revision", "finding": "The cost figures are present in every revision from 265535c (2024-04-07) to the newest.", "accessed_at": "2026-10-04", "attribution_note": "Scan produced with the GitHub contents API on 2026-10-04." }, { "id": "S003", "type": "vendor", "title": "DYNAMIXEL XL330-M288-T", "url": "https://www.robotis.us/dynamixel-xl330-m288-t/", "publisher": "ROBOTIS AMERICA", "locator": "Product structured data (schema.org Offer) and package contents", "finding": "Price, availability and package contents in the product page.", "accessed_at": "2026-10-04" } ], "offers": [ { "offer_id": "upstream-koch-readme", "supplier": "ROBOTIS America (linked from Koch README)", "url": "https://www.robotis.us/dynamixel-xl330-m288-t/", "region": "US", "observations": [ { "observation_id": "koch-readme-0602b0c", "currency": "USD", "pack_price": 24, "pack_qty": 1, "moq_packs": 1, "stock": "unknown", "source_checked_at": "2026-10-04", "price_observed_at": "2024-04-07", "price_date_basis": "earliest_unbroken_revision", "stock_observed_at": null, "check_method": "upstream_reported", "link_status": "unknown", "source_ids": [ "S001", "S002" ], "shipping_note": "Upstream table states item prices only; delivery and tax not stated.", "notes": "Koch README \"Required Materials\" cost column at pinned revision 0602b0c. The figures ($258 and $183 totals; $100 for 2 XL430, $96 for 4 XL330-M288, $144 for 6 XL330-M077) are present in every README revision from 265535c (2024-04-07) to the newest (retained source evidence), so the price is dated to that earliest revision. Per-unit figures divide the listed line cost by its quantity." } ] }, { "offer_id": "robotis-dynamixel-xl330-m288-t", "supplier": "ROBOTIS America", "url": "https://www.robotis.us/dynamixel-xl330-m288-t/", "region": "US", "observations": [ { "observation_id": "robotis-2026-10-04", "currency": "USD", "pack_price": 27.49, "pack_qty": 1, "moq_packs": 1, "stock": "in_stock", "source_checked_at": "2026-10-04", "price_observed_at": "2026-10-04", "stock_observed_at": "2026-10-04", "check_method": "manual", "link_status": "working", "source_ids": [ "S003" ], "shipping_note": "ROBOTIS America US store; shipping calculated at checkout, not established.", "notes": "schema.org Offer price 27.49 USD, availability http://schema.org/InStock." } ] } ] }, "fdm-3d-printer": { "name": "FDM 3D printer (220 x 220 mm bed or larger)", "unit": "each", "spec_summary": "FDM printer with at least a 220 x 220 mm bed (upstream also lists 205 x 250 mm beds).", "manufacturer": null, "mpn": null, "identity_sources": [ "S001" ], "substitutes": [], "notes": "Required only for the self-print route; reference option not yet chosen.", "sources": [ { "id": "S001", "type": "upstream", "title": "SO-ARM100 README bill of materials", "url": "https://github.com/TheRobotStudio/SO-ARM100/blob/5f6d2b876a53a4872e405b991dd925556c9e38a4/README.md", "publisher": "TheRobotStudio", "locator": "Sourcing Parts: Parts for One Follower Arm; Parts For Two Arms", "finding": "Lists part names, amounts and US unit costs with purchase links.", "accessed_at": "2026-10-04" } ], "offers": [] }, "host-computer-lerobot": { "name": "Host computer able to run LeRobot", "unit": "each", "spec_summary": "Computer with USB that runs the LeRobot environment; no specific model selected.", "manufacturer": null, "mpn": null, "identity_sources": [ "S001" ], "substitutes": [], "notes": "Reference option not yet chosen; required unless already owned.", "sources": [ { "id": "S001", "type": "upstream", "title": "SO-ARM100 README bill of materials", "url": "https://github.com/TheRobotStudio/SO-ARM100/blob/5f6d2b876a53a4872e405b991dd925556c9e38a4/README.md", "publisher": "TheRobotStudio", "locator": "Sourcing Parts: Parts for One Follower Arm; Parts For Two Arms", "finding": "Lists part names, amounts and US unit costs with purchase links.", "accessed_at": "2026-10-04" } ], "offers": [] }, "li-ion-18650-sony-vtc6": { "name": "Sony/Murata VTC6 18650 cell, 3000 mAh", "unit": "each", "spec_summary": "18650 lithium-ion cell, 3.7 V nominal, 3000 mAh (Sony/Murata US18650VTC6).", "manufacturer": "Sony/Murata", "mpn": "US18650VTC6", "identity_sources": [ "S001", "S002" ], "substitutes": [], "notes": "The BOM recommends but does not require VTC6.", "sources": [ { "id": "S001", "type": "upstream", "title": "Microban bill of materials (docs/bom.md)", "url": "https://github.com/Rhoban/microban/blob/0c814b4b8cc9d0a2f650a4ecb5004304f6ccc6c2/docs/bom.md", "publisher": "Rhoban", "locator": "Robot Components; Configuration Tools", "finding": "Lists components, quantities, approximate prices and (mostly European) purchase links.", "accessed_at": "2026-10-04" }, { "id": "S002", "type": "vendor", "title": "Sony / Murata VTC6 18650 3000mAh 15A Battery", "url": "https://www.18650batterystore.com/products/sony-vtc6", "publisher": "18650 Battery Store", "locator": "Product structured data (schema.org Offer)", "finding": "Price and availability in the product page structured data.", "accessed_at": "2026-10-04" } ], "offers": [ { "offer_id": "18650batterystore-sony-vtc6", "supplier": "18650 Battery Store", "url": "https://www.18650batterystore.com/products/sony-vtc6", "region": "US", "observations": [ { "observation_id": "store-2026-10-04", "currency": "USD", "pack_price": 6.99, "pack_qty": 1, "moq_packs": 1, "stock": "in_stock", "source_checked_at": "2026-10-04", "price_observed_at": "2026-10-04", "stock_observed_at": "2026-10-04", "check_method": "manual", "link_status": "working", "source_ids": [ "S002" ], "shipping_note": "Lithium-ion cells; shipping method and cost calculated at checkout, not established.", "notes": "schema.org Offer price 6.99 USD, availability http://schema.org/InStock." } ] } ] }, "microsd-32gb-a1": { "name": "microSD card, 32 GB (SanDisk Ultra)", "unit": "each", "spec_summary": "SanDisk Ultra 32 GB microSDHC A1 card.", "manufacturer": null, "mpn": null, "identity_sources": [ "S001", "S002" ], "substitutes": [], "notes": "Same ASIN (B08GY9NYRM) as the BOM's amazon.fr link; the BOM asks for 16 GB or more.", "sources": [ { "id": "S001", "type": "upstream", "title": "Microban bill of materials (docs/bom.md)", "url": "https://github.com/Rhoban/microban/blob/0c814b4b8cc9d0a2f650a4ecb5004304f6ccc6c2/docs/bom.md", "publisher": "Rhoban", "locator": "Robot Components; Configuration Tools", "finding": "Lists components, quantities, approximate prices and (mostly European) purchase links.", "accessed_at": "2026-10-04" }, { "id": "S002", "type": "vendor", "title": "SANDISK 32GB Ultra microSDHC UHS-I Memory Card with Adapter - 120MB/s, C10, U1, Full HD, A1, Micro SD Card - SDSQUA4-032G-GN6MA", "url": "https://www.amazon.com/dp/B08GY9NYRM", "publisher": "Amazon.com", "locator": "Buy box captured in the built-in browser for \"microsd-sandisk-ultra-32gb\"", "finding": "Current price, availability and seller as displayed.", "accessed_at": "2026-10-04", "attribution_note": "Captured in the built-in browser; scripted fetches received CAPTCHA pages, which were not bypassed." } ], "offers": [ { "offer_id": "amazon-b08gy9nyrm", "supplier": "Direct Suppliers US", "url": "https://www.amazon.com/dp/B08GY9NYRM", "region": "US", "observations": [ { "observation_id": "amazon-2026-10-04", "currency": "USD", "pack_price": 24, "pack_qty": 1, "moq_packs": 1, "stock": "in_stock", "source_checked_at": "2026-10-04", "price_observed_at": "2026-10-04", "stock_observed_at": "2026-10-04", "check_method": "manual", "link_status": "working", "source_ids": [ "S002" ], "shipping_note": "Amazon US listing; shipping and sales tax depend on address and membership, not established.", "notes": "Buy box read on 2026-10-04; seller: Direct Suppliers US; variants: Old Version, 32GB. Same ASIN as the BOM's amazon.fr link." } ] } ] }, "pla-filament": { "name": "PLA filament, 1.75 mm", "unit": "g", "spec_summary": "Generic PLA filament, 1.75 mm; any colour.", "manufacturer": null, "mpn": null, "identity_sources": [ "S001" ], "substitutes": [], "notes": "Unit is grams; a 1 kg spool is a pack of 1000.", "sources": [ { "id": "S001", "type": "vendor", "title": "eSUN PLA Basic Filament 1.75mm 3D Printer Filament 1KG Silver", "url": "https://www.amazon.com/dp/B0CS2ZSZ6F", "publisher": "Amazon.com", "locator": "Buy box captured for listing \"filament-esun-pla-basic-1kg\"", "finding": "Current price, availability and seller as displayed.", "accessed_at": "2026-10-04", "attribution_note": "Captured in the built-in browser; scripted fetches received CAPTCHA pages, which were not bypassed." } ], "offers": [ { "offer_id": "amazon-b0cs2zsz6f", "supplier": "eSUN official Store", "url": "https://www.amazon.com/dp/B0CS2ZSZ6F", "region": "US", "observations": [ { "observation_id": "amazon-2026-10-04", "currency": "USD", "pack_price": 14.99, "pack_qty": 1000, "moq_packs": 1, "stock": "in_stock", "source_checked_at": "2026-10-04", "price_observed_at": "2026-10-04", "stock_observed_at": "2026-10-04", "check_method": "manual", "link_status": "working", "source_ids": [ "S001" ], "shipping_note": "Amazon US listing; shipping and sales tax depend on address and membership, not established.", "notes": "Buy box read on 2026-10-04; seller: eSUN official Store; variants: Silver, 1KG." } ] } ] }, "power-switch-microban": { "name": "Power switch (as linked by Microban)", "unit": "each", "spec_summary": "Small power switch for the robot supply.", "manufacturer": null, "mpn": null, "identity_sources": [ "S001" ], "substitutes": [], "notes": "BOM links amazon.fr B0F32NVDHW (~USD 5); not on amazon.com. No US offer recorded.", "sources": [ { "id": "S001", "type": "upstream", "title": "Microban bill of materials (docs/bom.md)", "url": "https://github.com/Rhoban/microban/blob/0c814b4b8cc9d0a2f650a4ecb5004304f6ccc6c2/docs/bom.md", "publisher": "Rhoban", "locator": "Robot Components; Configuration Tools", "finding": "Lists components, quantities, approximate prices and (mostly European) purchase links.", "accessed_at": "2026-10-04" } ], "offers": [] }, "psu-5v-2a-barrel": { "name": "5 V 2 A power supply, barrel plug", "unit": "each", "spec_summary": "5 V DC, 2 A wall adapter with 5.5 mm barrel plug.", "manufacturer": null, "mpn": null, "identity_sources": [ "S001", "S003" ], "substitutes": [], "notes": "", "sources": [ { "id": "S001", "type": "upstream", "title": "Koch low_cost_robot README bill of materials", "url": "https://github.com/AlexanderKoch-Koch/low_cost_robot/blob/0602b0c1e6a67d8f6ab96f81d1378639018d98af/README.md", "publisher": "Alexander Koch", "locator": "Follower Arm / Leader Arm: Required Materials", "finding": "Lists parts, costs and purchase links for the follower and leader arms.", "accessed_at": "2026-10-04" }, { "id": "S002", "type": "upstream", "title": "Koch README commit history and price presence scan", "url": "https://github.com/AlexanderKoch-Koch/low_cost_robot/commits/main/README.md", "publisher": "Alexander Koch", "locator": "Commits touching README.md; presence of the cost figures at each revision", "finding": "The cost figures are present in every revision from 265535c (2024-04-07) to the newest.", "accessed_at": "2026-10-04", "attribution_note": "Scan produced with the GitHub contents API on 2026-10-04." }, { "id": "S003", "type": "vendor", "title": "5V 2A Power Adapter Supply 10W DC 5V 2A 1.5A 1A Wall Plug Power Cord", "url": "https://www.amazon.com/dp/B0BZS779MC", "publisher": "Amazon.com", "locator": "Buy box captured for listing \"psu-5v-2a\"", "finding": "Current price, availability and seller as displayed.", "accessed_at": "2026-10-04", "attribution_note": "Captured in the built-in browser; scripted fetches received CAPTCHA pages, which were not bypassed." } ], "offers": [ { "offer_id": "upstream-koch-readme", "supplier": "Amazon listing linked from Koch README", "url": "https://www.amazon.com/dp/B0BZS779MC", "region": "US", "observations": [ { "observation_id": "koch-readme-0602b0c", "currency": "USD", "pack_price": 6, "pack_qty": 1, "moq_packs": 1, "stock": "unknown", "source_checked_at": "2026-10-04", "price_observed_at": "2024-04-07", "price_date_basis": "earliest_unbroken_revision", "stock_observed_at": null, "check_method": "upstream_reported", "link_status": "unknown", "source_ids": [ "S001", "S002" ], "shipping_note": "Upstream table states item prices only; delivery and tax not stated.", "notes": "Koch README \"Required Materials\" cost column at pinned revision 0602b0c. The figures ($258 and $183 totals; $100 for 2 XL430, $96 for 4 XL330-M288, $144 for 6 XL330-M077) are present in every README revision from 265535c (2024-04-07) to the newest (retained source evidence), so the price is dated to that earliest revision. Per-unit figures divide the listed line cost by its quantity." } ] }, { "offer_id": "amazon-b0bzs779mc", "supplier": "GUOHONGZHAN", "url": "https://www.amazon.com/dp/B0BZS779MC", "region": "US", "observations": [ { "observation_id": "amazon-2026-10-04", "currency": "USD", "pack_price": 6.39, "pack_qty": 1, "moq_packs": 1, "stock": "in_stock", "source_checked_at": "2026-10-04", "price_observed_at": "2026-10-04", "stock_observed_at": "2026-10-04", "check_method": "manual", "link_status": "working", "source_ids": [ "S003" ], "shipping_note": "Amazon US listing; shipping and sales tax depend on address and membership, not established.", "notes": "Buy box read on 2026-10-04; seller: GUOHONGZHAN; availability: In Stock. Upstream short link https://a.co/d/5u90NVp." } ] } ] }, "raspberry-pi-zero-2-w": { "name": "Raspberry Pi Zero 2 W", "unit": "each", "spec_summary": "Raspberry Pi Zero 2 W single-board computer.", "manufacturer": "Raspberry Pi", "mpn": "SC1146", "identity_sources": [ "S001" ], "substitutes": [], "notes": "Out of stock at every US reseller checked on 2026-10-04.", "sources": [ { "id": "S001", "type": "upstream", "title": "Microban bill of materials (docs/bom.md)", "url": "https://github.com/Rhoban/microban/blob/0c814b4b8cc9d0a2f650a4ecb5004304f6ccc6c2/docs/bom.md", "publisher": "Rhoban", "locator": "Robot Components; Configuration Tools", "finding": "Lists components, quantities, approximate prices and (mostly European) purchase links.", "accessed_at": "2026-10-04" }, { "id": "S002", "type": "vendor", "title": "Raspberry Pi Zero 2 W stock checks at four US resellers", "url": "https://www.sparkfun.com/raspberry-pi-zero-2-w.html", "publisher": "SparkFun Electronics; PiShop.us; CanaKit; Adafruit Industries", "locator": "Product pages, 2026-10-04", "finding": "SparkFun USD 19.00 out of stock; PiShop out of stock; CanaKit sold out; Adafruit USD 19.05 out of stock.", "accessed_at": "2026-10-04", "attribution_note": "SparkFun checked in the built-in browser; others by page fetch (see store evidence)." } ], "offers": [ { "offer_id": "sparkfun-electronics", "supplier": "SparkFun Electronics", "url": "https://www.sparkfun.com/raspberry-pi-zero-2-w.html", "region": "US", "observations": [ { "observation_id": "check-2026-10-04", "currency": "USD", "pack_price": null, "pack_qty": 1, "moq_packs": 1, "stock": "out_of_stock", "source_checked_at": "2026-10-04", "price_observed_at": null, "stock_observed_at": "2026-10-04", "check_method": "manual", "link_status": "working", "source_ids": [ "S002" ], "shipping_note": "Not established (out of stock).", "notes": "$19.00 OUT OF STOCK (browser)" } ] }, { "offer_id": "pishopus", "supplier": "PiShop.us", "url": "https://www.pishop.us/product/raspberry-pi-zero-2-w/", "region": "US", "observations": [ { "observation_id": "check-2026-10-04", "currency": "USD", "pack_price": null, "pack_qty": 1, "moq_packs": 1, "stock": "out_of_stock", "source_checked_at": "2026-10-04", "price_observed_at": null, "stock_observed_at": "2026-10-04", "check_method": "manual", "link_status": "working", "source_ids": [ "S002" ], "shipping_note": "Not established (out of stock).", "notes": "Out of stock (page fetch)" } ] }, { "offer_id": "canakit", "supplier": "CanaKit", "url": "https://www.canakit.com/raspberry-pi-zero-2-w.html", "region": "US", "observations": [ { "observation_id": "check-2026-10-04", "currency": "USD", "pack_price": null, "pack_qty": 1, "moq_packs": 1, "stock": "out_of_stock", "source_checked_at": "2026-10-04", "price_observed_at": null, "stock_observed_at": "2026-10-04", "check_method": "manual", "link_status": "working", "source_ids": [ "S002" ], "shipping_note": "Not established (out of stock).", "notes": "Sold Out (page fetch)" } ] }, { "offer_id": "adafruit", "supplier": "Adafruit", "url": "https://www.adafruit.com/product/5291", "region": "US", "observations": [ { "observation_id": "check-2026-10-04", "currency": "USD", "pack_price": null, "pack_qty": 1, "moq_packs": 1, "stock": "out_of_stock", "source_checked_at": "2026-10-04", "price_observed_at": null, "stock_observed_at": "2026-10-04", "check_method": "manual", "link_status": "working", "source_ids": [ "S002" ], "shipping_note": "Not established (out of stock).", "notes": "schema.org OutOfStock, 19.05 USD (page fetch)" } ] } ] }, "robotis-u2d2": { "name": "ROBOTIS U2D2", "unit": "each", "spec_summary": "USB to DYNAMIXEL communication converter.", "manufacturer": "ROBOTIS", "mpn": "902-0132-000", "identity_sources": [ "S001", "S002" ], "substitutes": [], "notes": "", "sources": [ { "id": "S001", "type": "upstream", "title": "Microban bill of materials (docs/bom.md)", "url": "https://github.com/Rhoban/microban/blob/0c814b4b8cc9d0a2f650a4ecb5004304f6ccc6c2/docs/bom.md", "publisher": "Rhoban", "locator": "Robot Components; Configuration Tools", "finding": "Lists components, quantities, approximate prices and (mostly European) purchase links.", "accessed_at": "2026-10-04" }, { "id": "S002", "type": "vendor", "title": "U2D2", "url": "https://www.robotis.us/u2d2/", "publisher": "ROBOTIS America", "locator": "Product structured data (schema.org Offer)", "finding": "Price and availability in the product page structured data.", "accessed_at": "2026-10-04" } ], "offers": [ { "offer_id": "robotis-u2d2", "supplier": "ROBOTIS America", "url": "https://www.robotis.us/u2d2/", "region": "US", "observations": [ { "observation_id": "store-2026-10-04", "currency": "USD", "pack_price": 36.92, "pack_qty": 1, "moq_packs": 1, "stock": "in_stock", "source_checked_at": "2026-10-04", "price_observed_at": "2026-10-04", "stock_observed_at": "2026-10-04", "check_method": "manual", "link_status": "working", "source_ids": [ "S002" ], "shipping_note": "ROBOTIS America US store; shipping calculated at checkout, not established.", "notes": "schema.org Offer price 36.92 USD, availability http://schema.org/InStock." } ] } ] }, "robotis-u2d2-power-hub": { "name": "ROBOTIS U2D2 Power Hub Board Set", "unit": "each", "spec_summary": "Power hub board for powering DYNAMIXELs through the U2D2.", "manufacturer": "ROBOTIS", "mpn": "902-0145-001", "identity_sources": [ "S001", "S002" ], "substitutes": [], "notes": "", "sources": [ { "id": "S001", "type": "upstream", "title": "Microban bill of materials (docs/bom.md)", "url": "https://github.com/Rhoban/microban/blob/0c814b4b8cc9d0a2f650a4ecb5004304f6ccc6c2/docs/bom.md", "publisher": "Rhoban", "locator": "Robot Components; Configuration Tools", "finding": "Lists components, quantities, approximate prices and (mostly European) purchase links.", "accessed_at": "2026-10-04" }, { "id": "S002", "type": "vendor", "title": "U2D2 Power Hub Board Set", "url": "https://www.robotis.us/u2d2-power-hub-board-set/", "publisher": "ROBOTIS America", "locator": "Product structured data (schema.org Offer)", "finding": "Price and availability in the product page structured data.", "accessed_at": "2026-10-04" } ], "offers": [ { "offer_id": "robotis-u2d2-power-hub", "supplier": "ROBOTIS America", "url": "https://www.robotis.us/u2d2-power-hub-board-set/", "region": "US", "observations": [ { "observation_id": "store-2026-10-04", "currency": "USD", "pack_price": 21.85, "pack_qty": 1, "moq_packs": 1, "stock": "in_stock", "source_checked_at": "2026-10-04", "price_observed_at": "2026-10-04", "stock_observed_at": "2026-10-04", "check_method": "manual", "link_status": "working", "source_ids": [ "S002" ], "shipping_note": "ROBOTIS America US store; shipping calculated at checkout, not established.", "notes": "schema.org Offer price 21.85 USD, availability http://schema.org/InStock." } ] } ] }, "rpi-robot-hat-pcba": { "name": "Pollen RPI Robot HAT (manufactured PCB)", "unit": "each", "spec_summary": "Open-source Raspberry Pi HAT (pollen-robotics/elec_RPI_Robot_HAT) that must be manufactured.", "manufacturer": null, "mpn": null, "identity_sources": [ "S001" ], "substitutes": [], "notes": "BOM gives ~USD 30; no fabrication quote obtained.", "sources": [ { "id": "S001", "type": "upstream", "title": "Microban bill of materials (docs/bom.md)", "url": "https://github.com/Rhoban/microban/blob/0c814b4b8cc9d0a2f650a4ecb5004304f6ccc6c2/docs/bom.md", "publisher": "Rhoban", "locator": "Robot Components; Configuration Tools", "finding": "Lists components, quantities, approximate prices and (mostly European) purchase links.", "accessed_at": "2026-10-04" } ], "offers": [] }, "screw-m2-5x6": { "name": "M2.5 x 6 screw", "unit": "each", "spec_summary": "M2.5 x 6 machine screws.", "manufacturer": null, "mpn": null, "identity_sources": [ "S001" ], "substitutes": [], "notes": "BOM links Screwerk (Germany); no US offer recorded.", "sources": [ { "id": "S001", "type": "upstream", "title": "Microban bill of materials (docs/bom.md)", "url": "https://github.com/Rhoban/microban/blob/0c814b4b8cc9d0a2f650a4ecb5004304f6ccc6c2/docs/bom.md", "publisher": "Rhoban", "locator": "Robot Components; Configuration Tools", "finding": "Lists components, quantities, approximate prices and (mostly European) purchase links.", "accessed_at": "2026-10-04" } ], "offers": [] }, "screw-m2x6-stp39": { "name": "M2 x 6 thread-forming screw for plastics (STP39 style)", "unit": "each", "spec_summary": "Self-tapping M2 x 6 screws for horn-to-part attachment.", "manufacturer": null, "mpn": null, "identity_sources": [ "S001" ], "substitutes": [], "notes": "BOM links Screwerk (Germany); no US offer recorded.", "sources": [ { "id": "S001", "type": "upstream", "title": "Microban bill of materials (docs/bom.md)", "url": "https://github.com/Rhoban/microban/blob/0c814b4b8cc9d0a2f650a4ecb5004304f6ccc6c2/docs/bom.md", "publisher": "Rhoban", "locator": "Robot Components; Configuration Tools", "finding": "Lists components, quantities, approximate prices and (mostly European) purchase links.", "accessed_at": "2026-10-04" } ], "offers": [] }, "shim-pom-20x30x1": { "name": "POM shim 20 x 30 x 1 mm", "unit": "each", "spec_summary": "Acetal (POM) washer for the plain bearings.", "manufacturer": null, "mpn": null, "identity_sources": [ "S001" ], "substitutes": [], "notes": "BOM links AliExpress France (~USD 2.50 for 20); no US offer recorded.", "sources": [ { "id": "S001", "type": "upstream", "title": "Microban bill of materials (docs/bom.md)", "url": "https://github.com/Rhoban/microban/blob/0c814b4b8cc9d0a2f650a4ecb5004304f6ccc6c2/docs/bom.md", "publisher": "Rhoban", "locator": "Robot Components; Configuration Tools", "finding": "Lists components, quantities, approximate prices and (mostly European) purchase links.", "accessed_at": "2026-10-04" } ], "offers": [] }, "shim-steel-25x30x0-3": { "name": "Steel shim 25 x 30 x 0.3 mm", "unit": "each", "spec_summary": "Steel shim washer for the plain bearings.", "manufacturer": null, "mpn": null, "identity_sources": [ "S001" ], "substitutes": [], "notes": "BOM links AliExpress France (~USD 1.75 for 10); no US offer recorded.", "sources": [ { "id": "S001", "type": "upstream", "title": "Microban bill of materials (docs/bom.md)", "url": "https://github.com/Rhoban/microban/blob/0c814b4b8cc9d0a2f650a4ecb5004304f6ccc6c2/docs/bom.md", "publisher": "Rhoban", "locator": "Robot Components; Configuration Tools", "finding": "Lists components, quantities, approximate prices and (mostly European) purchase links.", "accessed_at": "2026-10-04" } ], "offers": [] } }, "sources": [ { "id": "S001", "title": "Upstream project overview", "url": "https://github.com/Rhoban/microban/blob/0c814b4b8cc9d0a2f650a4ecb5004304f6ccc6c2/README.md", "type": "upstream", "publisher": "Rhoban / project contributors", "attribution_note": "", "locator": "README.md", "finding": "Source text inspected for the cited scoped claims; see profile claim notes.", "accessed_at": "2026-09-30" }, { "id": "S002", "title": "Repository revision and release metadata", "url": "https://github.com/Rhoban/microban/commit/0c814b4b8cc9d0a2f650a4ecb5004304f6ccc6c2", "type": "upstream", "publisher": "Rhoban / project contributors", "attribution_note": "", "locator": "0c814b4b8cc9d0a2f650a4ecb5004304f6ccc6c2", "finding": "Source text inspected for the cited scoped claims; see profile claim notes.", "accessed_at": "2026-09-30" }, { "id": "S003", "title": "Repository license", "url": "https://github.com/Rhoban/microban/blob/0c814b4b8cc9d0a2f650a4ecb5004304f6ccc6c2/LICENSE", "type": "license", "publisher": "Rhoban / project contributors", "attribution_note": "", "locator": "LICENSE", "finding": "Source text inspected for the cited scoped claims; see profile claim notes.", "accessed_at": "2026-09-30" }, { "id": "S004", "title": "Pinned repository artifact inventory", "url": "https://github.com/Rhoban/microban/tree/0c814b4b8cc9d0a2f650a4ecb5004304f6ccc6c2", "type": "upstream", "publisher": "Rhoban / project contributors", "attribution_note": "", "locator": "0c814b4b8cc9d0a2f650a4ecb5004304f6ccc6c2 archive file inventory", "finding": "Source text inspected for the cited scoped claims; see profile claim notes.", "accessed_at": "2026-09-30" }, { "id": "S009", "title": "cad/LICENSE", "url": "https://github.com/Rhoban/microban/blob/0c814b4b8cc9d0a2f650a4ecb5004304f6ccc6c2/cad/LICENSE", "type": "upstream", "publisher": "Rhoban / project contributors", "attribution_note": "", "locator": "cad/LICENSE", "finding": "Source text inspected for the cited scoped claims; see profile claim notes.", "accessed_at": "2026-09-30" }, { "id": "S006", "title": "docs/assembly.md", "url": "https://github.com/Rhoban/microban/blob/0c814b4b8cc9d0a2f650a4ecb5004304f6ccc6c2/docs/assembly.md", "type": "upstream", "publisher": "Rhoban / project contributors", "attribution_note": "", "locator": "docs/assembly.md", "finding": "Source text inspected for the cited scoped claims; see profile claim notes.", "accessed_at": "2026-09-30" }, { "id": "S005", "title": "docs/bom.md", "url": "https://github.com/Rhoban/microban/blob/0c814b4b8cc9d0a2f650a4ecb5004304f6ccc6c2/docs/bom.md", "type": "upstream", "publisher": "Rhoban / project contributors", "attribution_note": "", "locator": "docs/bom.md", "finding": "Source text inspected for the cited scoped claims; see profile claim notes.", "accessed_at": "2026-09-30" }, { "id": "S007", "title": "docs/deployment.md", "url": "https://github.com/Rhoban/microban/blob/0c814b4b8cc9d0a2f650a4ecb5004304f6ccc6c2/docs/deployment.md", "type": "upstream", "publisher": "Rhoban / project contributors", "attribution_note": "", "locator": "docs/deployment.md", "finding": "Source text inspected for the cited scoped claims; see profile claim notes.", "accessed_at": "2026-09-30" }, { "id": "S008", "title": "docs/usage.md", "url": "https://github.com/Rhoban/microban/blob/0c814b4b8cc9d0a2f650a4ecb5004304f6ccc6c2/docs/usage.md", "type": "upstream", "publisher": "Rhoban / project contributors", "attribution_note": "", "locator": "docs/usage.md", "finding": "Source text inspected for the cited scoped claims; see profile claim notes.", "accessed_at": "2026-09-30" }, { "id": "S010", "type": "upstream", "title": "Microban printing guide (docs/printing.md)", "url": "https://github.com/Rhoban/microban/blob/0c814b4b8cc9d0a2f650a4ecb5004304f6ccc6c2/docs/printing.md", "publisher": "Rhoban", "locator": "Recommended Settings; parts table", "accessed_at": "2026-10-04", "finding": "PLA, 0.12 mm layers, 15% infill; lists each printed part and its quantity." }, { "id": "S011", "type": "secondary", "title": "Microban US cost and sourcing estimate receipt", "url": "https://opensourcerobotics.dev/assets/build-guides/microban-cost-estimate.json", "publisher": "Open Source Robotics", "locator": "Rollups as of 2026-10-04", "accessed_at": "2026-10-04", "finding": "Line-level US offers, gaps, printed-part slicing and rollups for Microban." }, { "id": "S012", "title": "Microban, a 30cm Open-Source Humanoid Robot - Walking Demo (YouTube video)", "url": "https://www.youtube.com/watch?v=1pnFrT_jfXQ", "finding": "Video 'Microban, a 30cm Open-Source Humanoid Robot - Walking Demo' uploaded by the YouTube channel 'MarcDcls' (https://www.youtube.com/@MarcDclsYT). Linked from README.md in Rhoban/microban at revision 0c814b4b8cc9. The uploader is not established as the project maintainer. The video is listed as a demonstration link; its content was not reviewed for technical accuracy.", "type": "secondary", "locator": "YouTube video; linked from README.md in Rhoban/microban at revision 0c814b4b8cc9", "accessed_at": "2026-10-04", "publisher": "MarcDcls", "attribution_note": "" }, { "id": "S013", "title": "Rhoban Officiel (YouTube channel)", "url": "https://www.youtube.com/channel/UCaRUvJJSzQASA2ZFw5to9JQ", "finding": "YouTube channel 'Rhoban Officiel' (/@rhobanofficiel3757) was found by searching YouTube for the project name; it is listed as the project's own channel because its About page links to the maintainer domain rhoban.com/fr. The preserved upstream sources did not link this channel. Individual videos were not reviewed for technical accuracy.", "type": "maintainer", "locator": "YouTube channel /@rhobanofficiel3757; found by YouTube search, verified from its About page", "accessed_at": "2026-10-04", "publisher": "Rhoban Officiel", "attribution_note": "" } ] }