Arduino UNO USB A 转 B 面包板 DHT11传感器 直流风扇 2n2222晶体管 16x2 液晶 连接线 这个连接很容易做到,这里连接了一个 LCD 用于显示温度和风扇速度状态。 第2 步:与 Arduino 的 LCD 连接 LCD直接连接到Arduino: 将LCD-RS、EN、D4、D5、D6 和 D7 的引脚连接到 Arduino
In my test setup, I used an additional shield, a prototyping shield with screw terminals. This is a really handy shield as it sits in between the Arduino Uno (or Mega) and the shield you are working with. Screw terminals are provided for access to every Arduino pin. This arrangement allo...