4x4 membrane keypad analog in
This sets up a membrane keypads matrix to a single analog input on the micro:bit
3 x 220 ohm resistors
4 x 1k ohm resistors
1 x 10k ohm resitor
1x jumper
Connect the 8 pins from the keypad simple from left to right.
This sets up a membrane keypads matrix to a single analog input on the micro:bit
3 x 220 ohm resistors
4 x 1k ohm resistors
1 x 10k ohm resitor
1x jumper
Connect the 8 pins from the keypad simple from left to right.