```

ESP32 5v +5v 3v3 display 3.3v

GPIO 2 (on-board LED) GPIO 4 * Encoder 2 SW GPIO 13 (JTAG) GPIO 16 Encoder 1 SW GPIO 17 GPIO 18 GPIO 19 GPIO 21 Display SCL GPIO 22 Display SCL GPIO 23 GPIO 25 GPIO 26 GPIO 27 GPIO 32 GPIO 33 GPIO 34 (input only) Encoder 1 CLK GPIO 35 (input only) Encoder 1 DT GPIO 36 (input only) Encoder 2 CLK GPIO 39 (input only) * Encoder 12 DT

https://randomnerdtutorials.com/esp32-pinout-reference-gpios/

Display

Pin ESP32

Vin 3.3V GND GND SCL GPIO 22 SDA GPIO 21

Rotary Encoders

Encoder1 ESP32

CLK GPIO 34 DT GPIO 35 SW GPIO 16

Encoder2 ESP32

CLK GPIO 36 DT GPIO 39 SW GPIO 4

```