Pinout reference for microcontroller boards

Pin functions, warnings, electrical specs and companion parts taken from the manufacturers' datasheets, for ESP32, Raspberry Pi Pico, Raspberry Pi and Arduino boards.

All boards

• ESP32-C3-DevKitM-1 ESP32-C3 (MINI-1)
• ESP32-C3 Super Mini ESP32-C3FH4
• ESP32-S3-DevKitC-1 ESP32-S3 (WROOM-1)
• LilyGO T-Display-S3 ESP32-S3R8 + LCD 1.9"
• Raspberry Pi Pico 2 W RP2350 + CYW43439
• Raspberry Pi Pico 2 RP2350A
• Raspberry Pi 4 / 5 (40-pin GPIO) BCM2711 / BCM2712 + RP1
• Arduino Uno R3 ATmega328P

Component pinouts

• Displays: OLED 0.96", ST7789, LED 7 đoạn, WS2812
• Sensors: HC-SR04, VL53L0X, MPU6050, DHT22, Ánh sáng LDR
• Audio & buzzers: Buzzer, MAX98357A, INMP441
• Controls & basics: Nút bấm, Đèn LED