unu Scooter Pro · Parts

Parts and tools

These parts and tools were collected by the community. If a listing is no longer available, ask on Discord for an alternative.

Find more sources in the community spreadsheet.

SIM and connectivity

The original unu SIMs in the scooters (MFF2 format) were deactivated. With Sunshine Reconnect, we plan to bring scooters back online without hardware changes if enough owners join in. If you want to use Sunshine over cellular today, you need a new SIM. The parts below are for that route. Librescoot can also install firmware updates over USB or Bluetooth and use downloaded maps offline.

• Solder-in SIM adapter. Adapter board soldered in place of the MFF2 SIM, providing a Nano-SIM slot. Available from the Librescoot shop.
• MFF2 prepaid SIM (alternative). For anyone who wants to solder in a new MFF2 SIM directly without an adapter: mdex or Conekkt are starting points.
• SIM card connector (DIY). For building your own adapter: GCT SIM8070 (Mouser).
• Reference design. Particle's mff2-to-4ffnano on GitHub as inspiration.

Batteries

• AUX battery (LiFePO4 variant). Replacement for the frequently defective AUX onboard battery. Community recommendations: LiFePO4 12 V 7 Ah or an alternative LiFePO4 variant.
• AUX battery (lead-AGM). Classic variant (Faston 6.3 mm, 12 V): EMOS or Tecnoware.
• Main battery (used). Occasionally available on Kleinanzeigen. Be careful when buying batteries; serial numbers can be checked for plausibility in the Discord.
• Battery charger (DIY). A 3D-printed enclosure for custom charger builds, plus matching battery contacts.

Mirrors, reflectors, helmet

• Mirror set (long-stem). Different from the original, but functional. Set of two: AliExpress.
• License plate reflector. Replacement for the reflector on the license plate bracket: eBay.
• Helmet. A community example: MTR Jet Fiber Jethelm at Louis.

Service tools

Anyone working on the scooter will eventually need a few standard tools for diagnostics, flashing, and bus sniffing.

• UART adapter (3.3 V). For communication with MDB and DBC: Amazon. Important: 3.3 V, not 5 V.
• Mini-USB cable. For the MDB: Amazon.
• Test pins. For pogo testing on the open board: Amazon.
• NFC module (PN532). For keycard research and battery communication. Generic PN532 V3 boards (ElecHouse-style) on AliExpress.
• Atmel-ICE adapter. For deeper debugging on the nRF52840: Farnell.

3D-print models

Several community models make repairs, modifications, and workshop setup easier:

• MDB dev case. Reduced base plate with reversed spacers so the MDB can be used without its enclosure.
• MDB enclosure with PCB model.
• Gasket for the MDB USB port.
• Bag hook with USB-C (Tinkercad source also available).
• Enclosure for a custom charger.
• Extended pogo test clamp for workshop setups.

Repair documentation

Find workshop manuals, the parts catalogue, wiring diagrams, and troubleshooting guides in the Scooter Pro workshop.

Notes

Know another supplier or found an outdated link? Tell us on Discord or by email.