powerfinger
fluffyrabbot
Open-source assistive input devices. Fingertip rings and pen wands as BLE HID mice. $9 BOM. CERN-OHL-S 2.0 hardware, MIT software.
Components (22)
| Reference | Value | Description |
|---|---|---|
| U1 | ESP32-C3-MINI-1-N4 | |
| U2 | PAW3204DB-TJ3L | |
| U3 | TP4054 | |
| U4 | RT9080-33GJ5 | |
| C1A? | 100nF MCU | |
| C1B? | 100nF sensor | |
| C2 | 10uF | |
| D1 | TPD2E2U06DCK-class | |
| J1 | off-board USB service pads | |
| J_BAT? | off-board battery service pads | |
| NTC1 | 10k B3950 | |
| R1 | 20k | |
| R2A?,R2B? | 5.1k | |
| R3 | 10k | |
| R5 | 47R | |
| R7,R8,R10 | 100k | |
| R9 | 220k | |
| SW1 | 5mm 200gf dome | |
| TP_MOT? | SENSOR_MOTION_N local bring-up pad only | |
| TP_RST? | SENSOR_NRESET local bring-up pad only |