split 5x4 keyboard using MCP23017
name | number | description | site | substitute |
---|---|---|---|---|
MJ-4PP-9 | 2 | TRRS jack | http://akizukidenshi.com/catalog/g/gC-06070/ | PJ-320A |
LED | 1 | |||
Resister | 1 | for LED | http://akizukidenshi.com/catalog/g/gR-25472/ | |
Capasiter 0.1μF | 1 | 2.5mm pitch | http://akizukidenshi.com/catalog/g/gP-00090/ | |
Slide Switch | 2 | 2.54mm pitch, SPDT | http://akizukidenshi.com/catalog/g/gP-08790/ | |
MCP23017-E/SP | 2 | I2C I/O Expander | http://akizukidenshi.com/catalog/g/gI-09486/ | |
IC Socket | 2 | 28pin, 300mil | http://akizukidenshi.com/catalog/g/gP-00013/ | |
M3x10mm Screw | 4 | |||
M3 nut | 4 | |||
rubber feet | 4 | >4mm thick | ||
Kailh Socket | 20 | choc or MX | ||
Keyboard Switch | 20 | choc or MX |
and PCB, Top/Bottom Plate, panda-pendant, 2 trrs cable.