To read data from the serial monitor, first, you need to check whether user entered data or not. To check user data availability, you need to useSerial.available()function/command. When the user enters the data on the serial monitor, Arduino setsSerial.available()to return ‘1’ and in ...
// read the analog in value: sensorValue = analogRead(analogInPin); // map it to the range of the analog out: outputValue = map(sensorValue, 0, 1023, 0, 255); // change the analog out value: analogWrite(analogOutPin, outputValue); // print the results to the serial monitor: Ser...
DigitalReadSerial 数字串口读取 Reads a digital input on pin 2, prints the result to the Serial Monitor 从针脚 2 读取数字输入,并打印至串口监视器。 This example code is in the public domain. 此代码示例位于公共域中。 https://www.arduino.cc/en/Tutorial/BuiltInExamples/DigitalReadSerial */ (3)...
void loop() { // read the input on analog pin 0: int sensorValue =analogRead(A0); // Convert the analog reading (which goes from 0 - 1023) to a voltage (0 - 5V): float voltage = sensorValue * (5.0 / 1023.0); // print out the value you read: Serial.println(voltage); } 火...
int sensorValue = analogRead(A0); // print out the value you read: Serial.println(sensorValue); delay(1); // delay in between reads for stability } (2)代码注释 AnalogReadSerial 串口模拟读取 Reads an analog input on pin 0, prints the result to the Serial Monitor. ...
ReadAnalogVoltage Reads an analog input on pin 0, converts it to voltage, and prints the result to the serial monitor. Graphical representation is available using serial plotter (Tools > Serial Plotter menu) Attach the center pin of a potentiometer to pin A0, and the outside pins to +5V ...
prints the result to the serial monitor. OPEN THE SERIAL MONITOR TO VIEW THE OUTPUT FROM THE POTENTIOMETER >> Attach the center pin of a potentiometer to pin A0, and the outside pins to +5V and ground. This example code is in the public domain.*/intsensorValue =0;voidsetup() ...
/*ReadAnalogVoltage 读取模拟电压 Reads an analog input on pin 0, converts it to voltage, and prints the result to the serial monitor. OPEN THE SERIAL MONITOR TO VIEW THE OUTPUT >> Attach the center pin of a potentiometer to pin A0, and the outside pins to +5V and ground. ...
Serial.print(i) ; // and gnd on Serial monitor of arduino IDE Serial.print(“t Voltage = ”) ; Serial.println(Voltage,3) ; } delay(500); for (int i = 255; i 》= 0; i--) // this run loops from 255 to 0 step with 10 ...
Serial.println(“Slave Received From Master:”); //Prints in Serial Monitor Serial.println(SlaveReceived); delay(500); lcd.clear(); } 通过旋转一侧的电位器,您可以在另一侧看到LCD上的变化值: 以上就是在Arduino中进行I2C通信的方式,这里我们不仅使用两个Arduino开发板来演示通过I2C通信发送数据,而且还演...