Firmware
Downloads for the firmware: Reciever Tracker
Note, Builds are daily, the link is updated automatically.
Flashing:
Get a wire, hold one side on rst and doubble touch the other side of the wire with the sheild of the usb-c connector quickly 3 times, tap it . . .
a mass usb storage device will show up, drag and drop the tracker or reciever firmware depeding what your tranna flash. you only need one reviever (just a basic nicenano ali clone, like your tracker)
Pairing & Calibration New
I made a tool that makes it really simple to pair and calibrate

Plug in your Reciever, select Reciever tab, press Pair, turn on all the trackers and they will start showing on terminal, once all are connected, press Exit Pair. Done!
Calibration has 2 ways, basic: With the dongle connected to yur pc and your tracker on. doubble press the button and dont touch the tracker for 8~ seconds. Do with all trackers one by one. Done!
Advanced:
Plug in the tracker, connect it to the SmolSlime app, open the Tracker tab and press Calibrate 6 Sides
Official docs are here
Required Components
- NRF52840 (Supermini): AliExpress Link
- ICM-45686 Module: Shopify Link
- 402035 Battery 500mAh: AliExpress Link
Note: Some of these are referral links. If you purchase through it, I earn a commission at no extra cost to you.
Battery life
Assuming you do a 1:1 build with the 500mah battery, playing non-stop, 11 days, Playing for 7hrs a day, ~37 days. Note that’s a bit of real world testing, and calculating, it can be off.