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-SDA (Data) Pin: Connect to GPIO 21 on the ESP32. -SCL (Clock) Pin: Connect to GPIO 22 on the ESP32. -VCC: Connect to the 3.3V pin on the ESP32. -GND: Connect to a GND pin on the ESP32. -ESP32 Pin to ...
ESP32开发板 / ESP32 dev board 3mm或5mm红外发射管 / 3mm or 5mm infrared emission tube 三极管（用于放大电流） / Transistor (for current amplification) DHT11温湿度传感器 / DHT11 temperature and humidity sensor Arduino IDE ...
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