speed:比特每秒(波特) - long config:设置数据,奇偶校验和停止位 返回值:无 available(): 描述:获取可从串行端口读取的字节数(字符数)。 函数原型: Serial.available() 参数:无 返回值:可读的字节数。 read(): 描述:读取传入的串行数据。 函数原型:Serial.read() 参数:无 返回值:可用的传入串行数据的第...
int speed =analogRead(potPin) / 4; boolean reverse = digitalRead(switchPin); setMotor(speed, reverse); } void setMotor(int speed, boolean reverse) { analogWrite(enablePin, speed); digitalWrite(in1Pin, ! reverse); digitalWrite(in2Pin, reverse); } /* Adafruit Arduino - Lesson 15. Bi-dire...
}voidloop() {temp= readTemp(); //readtemperatureSerial.print("Temperature: ");Serial.print(temp);Serial.println(" °C");if(temp< tempMin) { //iftempislower than minimum temperature fanSpeed =0; // fanisoffdigitalWrite(fan, LOW);Serial.println("Fan Speed: OFF"); }if((temp>= temp...
void readTrigger() { int sensorValue = analogRead(analogInPin); if (sensorValue > (meanSensorValue + sensitivity) || sensorValue < (meanSensorValue - sensitivity)) { takePicture(); Serial.println(sensorValue); Serial.println(meanSensorValue); delay(500); f = "cal"; calibrateSensorMean();...
Serial.begin(speed) 一般取值300,1200,2400,4800,9600,14400,19200,28800,38400,57600,115200 void setup() { Serial.begin(9600); } Serial.end() 禁止串口传输函数。此时串口传输的pin脚可以作为数字IO脚使用 Serial.end(); Serial.available()
//The pin that we read sensor values form #define ANALOG_READ 0 //Confirmed microphone low value, and max value #define MIC_LOW 0.0 #define MIC_HIGH 300.0 /** Other macros */ //How many previous sensor values effects the operating average?
Serial.begin(speed) 一般取值300,1200,2400,4800,9600,14400,19200,28800,38400,57600,115200 void setup() { Serial.begin(9600); } Serial.end() 禁止串口传输函数。此时串口传输的pin脚可以作为数字IO脚使用 Serial.end(); Serial.available()
格瑞图:Arduino-0005-内置示例-数字串口读取 Digital Read Serial 格瑞图:Arduino-0006-内置示例-亮度调节 Fade 1、示例代码及解析 (1)代码 /*ReadAnalogVoltageReads an analog input on pin 0, converts it to voltage, and prints the result to the Serial Monitor.Graphical representation is available using...
Stepper Motor Control - speed control This program drives a unipolar or bipolar stepper motor. The motor is attached to digital pins 8 - 11 of the Arduino. A potentiometer is connected to analog input 0. The motor will rotate in a clockwise direction. The higher the potentiometer value, ...
例如:val = map(analogRead(0),0,1023,100, 200); // 将analog0 所读取到的讯号对等转换至100 – 200之间的数值。 double pow(base, exponent) 回传一个数(base)的指数(exponent)值。 范例:double x = pow(y, 32); // 设定x为y的32次方 ...