1 單詞
| word | meaning |
|---|---|
| relay | 繼電器 |
| water punp | 水泵 |
2 電鈴的原理
電鈴的原理
3 繼電器
原理
線路圖
//加個(gè)按鈕蹬刷，然后用開關(guān)控制水泵
代碼：
2號(hào)管腳是按鈕
void setup() {
// put your setup code here, to run once:
Serial.begin(9600);
pinMode(5,OUTPUT);
pinMode(2,INPUT_PULLUP);
}
void loop() {
// put yo-ur main code here, to run repeatedly:
digitalWrite(5,!digitalRead(2));
}
4 作業(yè)
image.png
代碼：
led燈管腳為11和12
void setup() {
// put your setup code here, to run once:
Serial.begin(9600);
pinMode(5,OUTPUT);
pinMode(2,INPUT_PULLUP);
pinMode(11,OUTPUT);
pinMode(12,OUTPUT);
}
void loop() {
// put yo-ur main code here, to run repeatedly:
if(!digitalRead(2))
{
digitalWrite(11,HIGH);
digitalWrite(12,LOW);
}
else
{
digitalWrite(11,LOW);
digitalWrite(12,HIGH);
}
digitalWrite(5,!digitalRead(2));
}
