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- Thu Aug 17, 2023 3:25 am
- Forum: ESP32 Arduino
- Topic: I want to use an ESP-32 to read keypresses and show it on an OLED screen. I can't get it to detect keypresses
- Replies: 1
- Views: 651
I want to use an ESP-32 to read keypresses and show it on an OLED screen. I can't get it to detect keypresses
I'm using the following code. The ESP32 goes on a loop printing gibberish and doesn't detect any keypresses. I'm using a Wroom32 with 38 pins. I'm using diodes on the columns. #include <Arduino.h> const int numRows = 4; const int numCols = 12; const byte rowPins[numRows] = {1, 3, 17, 4}; const byte ...