arduino代码整理_arduino程序代码大全

1.blink 和串口输出

#define PIN 4 //定义了led灯的GPIO为4
void setup() {
  pinMode(PIN, OUTPUT);
  Serial.begin(9600);
} 
void loop() {
  digitalWrite(PIN, HIGH);   // turn the LED on (HIGH is the voltage level)
  delay(1000);    Serial.print("1");                   // wait for a second
  digitalWrite(PIN, LOW);    // turn the LED off by making the voltage LOW
  delay(1000);       Serial.println("0");                    // wait for a second
}
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