row: B6, B2, B3, B1, F7 | row: B6, B2, B3, B1, F7 | ||||
Mosfet on B5 to control backlight. | Mosfet on B5 to control backlight. | ||||
BOM | |||||
1 Pro Micro | |||||
2 12pin SIP headers | |||||
30 1n4148 diodes | |||||
30 switches | |||||
Needed if you want LEDs | |||||
30 LEDs | |||||
30 Resistors for LEDs. Use online LED caculator to choose value | |||||
1 FDS6630A or DMN3018SSS-13 SOIC FET | |||||
1 100ohm resistor | |||||
1 100Kilo ohm resistor |