ESP32 DevKit Board

📋Technical Specifications

Arduino library: Arduino ESP32 board package

• Dual-core 240 MHz processor
• Wi-Fi 802.11 b/g/n
• Bluetooth 4.2 / BLE
• 520 KB SRAM, 4 MB flash typical
• 3.3 V logic, USB powered

📍Pinout

• 3.3 V → Sensor power
• GND → Common ground
• GPIO → Sensors, LEDs, relays
• USB → Power and programming

🔗Wiring

Connect each pin as shown in the pinout section above.

⌨️Code Example

Copy into Arduino IDE. Install the library listed above first.

void setup() {
  pinMode(2, OUTPUT);
}
void loop() {
  digitalWrite(2, HIGH);
  delay(500);
  digitalWrite(2, LOW);
  delay(500);
}