VS1838B IR remote receiver with ESP32
Supply 3.3-5 V
Bus GPIO
Pins and ESP32 wiring
| Pin | Role | ESP32 pin | Notes |
|---|---|---|---|
| OUT | Output (the part drives it) | D25 | Left leg, dome towards you. LOW while an IR burst is received |
| GND | Ground | GND | Middle leg |
| VCC | Power | 3V3 | Right leg. Use 3V3 |
Suggested wiring for the 30-pin ESP32 DevKit, avoiding flash, input-only and strapping pins. BoardPilot checks it for you as you wire.
Starter code (Arduino)
void setup() {
Serial.begin(115200);
pinMode(25, INPUT); // OUT
}
void loop() {
Serial.println(digitalRead(25));
delay(100);
}
Sources
- VS1838B datasheet, Pin 1 OUT, 2 GND, 3 VCC; 38 kHz carrier; supply 2.7 to 5.5 V
Try it in 3D in BoardPilot
Related parts
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Part data: CC BY 4.0, free to reuse with credit to BoardPilot.