Joystick module with ESP32-C3-DevKitM-1

Wiring for the Analog joystick (KY-023) on the ESP32-C3-DevKitM-1 (ESP32-C3, 3.3 V logic), chosen with the same pin rules BoardPilot uses: default buses first, and no pins that are used for flash, USB, the debugger or booting.

Wiring

Joystick module pin	Role	ESP32-C3-DevKitM-1 pin	Notes
GND	Ground	GND
+5V	Power	3V3	Connect to 3V3 anyway, so the outputs stay within the ADC range
VRX	Analog output	0
VRY	Analog output	1
SW	Output from the part	10	Button: LOW when pressed. Use INPUT_PULLUP

Check before you power it on

Supply: 3.3 V from the 3V3 pin.

Test code (Arduino)

void setup() {
  Serial.begin(115200);
}

void loop() {
  long mv = analogReadMilliVolts(0);  // VRX on 0
  Serial.println(mv);
  delay(200);
}

Arduino board: esp32:esp32:esp32c3. If uploading does not start, hold BOOT, press and release RST, then release BOOT.

Questions

Which ESP32-C3-DevKitM-1 pins do I use for the Joystick module?

GND → GND, +5V → 3V3, VRX → 0, VRY → 1, SW → 10.

Does the Joystick module work with the ESP32-C3-DevKitM-1 at 3.3 V?

Yes: the Joystick module runs at 3.3 V and the ESP32-C3-DevKitM-1 uses 3.3 V signals, so no level shifting is needed.

BoardPilot checks this wiring in 3D as you build it, and finds crossed or missing wires on the real board.

Download BoardPilot

Full ESP32-C3-DevKitM-1 pinout · Analog joystick (KY-023): all pins and data

The Joystick module on other boards

ESP32 DevKit Arduino Mega 2560 R3 Arduino Nano Arduino Uno R3 WeAct Black Pill STM32F411CE ESP32-S3-DevKitC-1 Nordic nRF52840 DK NUCLEO-F401RE Raspberry Pi Pico 2 Raspberry Pi Pico W Raspberry Pi Pico Teensy 4.1

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