这段代码用于读取连接在模拟引脚A0上的电位器(potentiometer)的电压值,并将其转换为实际的电压值后通过串行监视器打印出来。 /* ReadAnalogVoltage Reads an analog input on pin 0, converts it to voltage, and prints the result to the serial monitor. Attach the center pin of a potentiometer to pin A0...
通过转到“File”→“Save”,将新草图另存为potentiometer.ino。 将以下代码复制到potentiometer.ino草图中替换为以下代码。 // potentiometer.ino // reads a potentiometer sensor and sends the reading over serial int sensorPin = A0; // the potentiometer is connected to analog pin 0 int ledPin = 13;...
输入从analogRead()转换为电压,并打印到Arduino软件(IDE)的串行监视器。 组件的要求 (Components Required) 您将需要以下组件 - 1× Breadboard 1×Arduino Uno R3 1×5K可变电阻(电位器) 2× Jumper 过程(Procedure) 按照电路图并连接面包板上的组件,如下图所示。 电位器(Potentiometer) 电位计(或电位器)是一...
Keep reading the next sections.As mentioned above, we can change adjust the sensor's setting via one jumper and two potentiometers.Detection Range AdjusterThis potentiometer is used to adjust the detection range (approximately 3 meters to 7 meters)....
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. https://www.arduino.cc/en/Tutorial/BuiltInExamples/ReadAnalogVoltage */ // the setup routine runs once when you press reset: ...
Attach the center pin of a potentiometer to pin A0, and the outside pins to +5V and ground. 从针脚 0 读取模拟输入,转换为电压,并将结果打印到串口监视器。 可以通过串口绘图绘制图形(工具 > 串口绘图菜单)。 将电位器中间针接针脚 A0,两侧针接 +5V 和接地 ...
// RPM reading RPM =analogRead(pinRPM); // Potentiometer reading RPM = map(RPM, 0, 1023, 1, 9); if (RPM <= 8) { lc.setLed(1, 7, 8 - RPM, true); lc.setLed(0, 0, 8 - RPM, true); delay(300 / RPM); // Speed setup by potentiometer (100 - 800 RPM) ...
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. */ // the setup routine runs once when you press reset: void setup() { // initialize serial communication at 9600 bits per second: ...
Attach the center pin of a potentiometer to pin A0, and the outside pins to +5V and ground. */// the setup routine runs once when you press reset:voidsetup(){// initialize serial communication at 9600 bits per second:Serial.begin(9600);}// the loop routine runs over and over again...
Reads an analog input pin, maps the result to a range from 0 to 255 and uses the result to set the pulsewidth modulation (PWM) of an output pin. Also prints the results to the serial monitor. The circuit: * potentiometer connected to analog pin 0. ...