hextrack
tmshader
An open-source 3D printable button-less trackball using the PMW3389 sensor.
Components (25)
| Reference | Value | Description |
|---|---|---|
| U1 | USBLC6-2SC6 | Very low capacitance ESD protection diode, 2 data-line, SOT-23-6 |
| U2 | AP2204K-1.8 | 150mA low dropout linear regulator, wide input voltage range, 1.8V fixed positive output, SOT-23-5 |
| U3 | AP2204K-3.3 | 150mA low dropout linear regulator, wide input voltage range, 3.3V fixed positive output, SOT-23-5 |
| U4 | nRF52840 | Multiprotocol BLE/ANT/2.4 GHz/802.15.4 Cortex-M4F SoC, AQFN-73 |
| U5 | PMW3389DM-T3QU | Optical Gaming Navigation Sensor |
| AN1 | Antenna | Antenna |
| C1-C4,C11,C16 | 1uF | Unpolarized capacitor |
| C5,C9,C10,C12 | 4.7uF | Unpolarized capacitor |
| C6 | 820pF | Unpolarized capacitor |
| C7 | 100pF | Unpolarized capacitor |
| C8,C13-C15,C21,C24,C25 | 100nF | Unpolarized capacitor |
| C17 | 0.5pF | Unpolarized capacitor |
| C18 | 0.8pF | Unpolarized capacitor |
| C19,C20 | 12pF | Unpolarized capacitor |
| C22,C23 | 10uF | Unpolarized capacitor |
| C26 | 4.7uF 10V | Unpolarized capacitor |
| D1,D2 | SK6812MINI-E | RGB LED with integrated controller |
| J1 | USB Type-C Receptacle 16P | USB 2.0-only 16P Type-C Receptacle connector |
| L1 | 4.7nH | Inductor |
| R1,R2 | 5.1k | Resistor |
| R3,R5 | 10k | Resistor |
| R4 | 13R | Resistor |
| S1 | B3U-1000P | Single Pole Single Throw (SPST) switch |
| S2,S3 | Kailh Choc V1 | Push button switch, generic, two pins |
| Y1 | 32 MHz Crystal | Two pin crystal |