ESP32 based encoder interface
- works together with encDisplay
- GPIO 16 - RX
- GPIO 17 - TX
- GPIO 4 - In 1
- GPIO 18 - In 2
- GPIO 19 - In 3
- GPIO 21 - In 4
- GPIO 22 - In 5
- GPIO 23 - In 6
- GPIO 25 - In 7
- GPIO 26 - In 8
- GPIO 27 - In 9
- GPIO 32 - In 10
- GPIO 33 - In 11
- GPIO 34 - In 12
- GPIO 35 - In 13
- GPIO 36 - In 14
- GPIO 39 - In 15
- GPIO 5 - Out 1
- GPIO 13 - Out 2
- GPIO 14 - Out 3