krunchboard
krunchiekrunch
A custom 80% ISO mechanical keyboard powered by a Raspberry Pi Pico with KMK
Components (9)
| Reference | Value | Description |
|---|---|---|
| U1 | MCP23017_SO | 16-bit I/O expander, I2C, interrupts, w pull-ups, GPA/B7 output only (https://microchip.my.site.com/s/article/GPA7---GPB7-Cannot-Be-Used-as-Inputs-In-MCP23017), SOIC-28 |
| 5V1,GND1,GPA6,GPA7,MCP_INTA1,MCP_INTB1,NEOPIXEL_DOUT1 | TestPoint | test point |
| A1 | RaspberryPi_Pico | Versatile and inexpensive microcontroller module (with debug pins) powered by RP2040 dual-core Arm Cortex-M0+ processor up to 133 MHz, 264kB SRAM, 2MB QSPI flash; also supports Raspberry Pi Pico 2 |
| D1-D94 | 1N4148W | 75V 0.15A Fast Switching Diode, SOD-123 |
| D95-D100 | LED_SK6812MINI | RGB LED with integrated controller |
| J1,J2 | Conn_01x04_Pin | Generic connector, single row, 01x04, script generated |
| R1,R2 | R4.7k | Resistor |
| SW1-SW93 | SW_Push_45deg | Push button switch, normally open, two pins, 45° tilted |
| SW94 | RotaryEncoder_Switch | Rotary encoder, dual channel, incremental quadrate outputs, with switch |