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IR LED transmitter (KY-005) with ESP32

Supply 3.3-5 V Bus GPIO
SVCCGND

Pins and ESP32 wiring

PinRoleESP32 pinNotes
SInput (the ESP32 drives it)D25To a GPIO driven at 38 kHz by an IR library
VCCPower3V3Middle pin
GNDGroundGNDMarked - on the board

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() { pinMode(25, OUTPUT); }  // S

void loop() {
  digitalWrite(25, HIGH);
  delay(500);
  digitalWrite(25, LOW);
  delay(500);
}

Sources

Try it in 3D in BoardPilot

BoardPilot Part data (JSON)

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Part data: CC BY 4.0, free to reuse with credit to BoardPilot.