split-kbd
Heinrich-XIAO
Components (8)
| Reference | Value | Description |
|---|---|---|
| U1,U2 | XIAO-nRF52840-SMD | |
| U3,U4 | MCP23008-xP | 8-bit I/O expander, I2C, interrupts, PDIP-18 |
| D1-D84 | D | 100V 0.15A standard switching diode, DO-35 |
| R1,R2 | 806k | Resistor |
| R3,R4 | 2M | Resistor |
| SW1-SW84 | SW_Push | Push button switch, generic, two pins |
| TP1,TP2,TP5,TP7 | BAT+ | test point |
| TP3,TP4,TP6,TP8 | BAT- | test point |