unchat-keeb
gkanwar
Design for the UnChat Keyboard
Components (8)
| Reference | Value | Description |
|---|---|---|
| U1-U20,U51-U70 | DRV5055 | 25 mV/mT,±85-mT, 20-kHz, 3.3/5V, SOT-23 |
| U22,U23,U72,U73 | CD74HC4067SM | High-Speed CMOS Logic 16-Channel Analog Multiplexer/Demultiplexer, SSOP-24 |
| C22,C23,C72,C73 | 0.1uF | Unpolarized capacitor |
| J1,J51 | RJ45 | RJ connector, 8P8C (8 positions 8 connected) |
| L1-L4 | LED | |
| R1-R4 | 10k | Resistor |
| R5-R8 | 100 | |
| S1-S20 | Keyswitch | Push button switch, normally open, two pins, 45° tilted |