/*ReadAnalogVoltageReads 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 ...
/*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. 读取引脚0...
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...
Serial.println(voltage) 现在,当你打开你在Arduino IDE软件上的串口监视器(可以通过键盘快捷键Ctrl+Shift+M打开),你应该看到一个范围从0.0-5.0的稳定的数据流。随着你转动那个旋钮,这个输入到A0引脚的电压值会随之变化。 /* ReadAnalogVoltage Reads an analog input on pin 0, converts it to voltage, and pr...
m=analogRead(A0);// read analog values from pin A0 across capacitor n=(m* .304177);// converts analog value(x) into input ac supply value using this formula ( explained in woeking section) Serial.print(" analaog input " ) ; // specify name to the corresponding value to be printed...
格瑞图:Arduino-0007-内置示例-读取模拟电压 Read Analog Voltage 格瑞图:Arduino-0008-内置示例-非延迟闪烁 Blink Without Delay 格瑞图:Arduino-0009-内置示例-按钮 Button 格瑞图:Arduino-0010-内置示例-去抖 Debounce 格瑞图:Arduino-0011-内置示例-数字输入上拉 DigitalInputPullup ...
for(int i=0;i // read the input on analog pin 0: int sensorValue = analogRead(A0); //convert to voltage float volt = sensorValue * 5; volt = volt / 1023; //convert to current float current = volt / 185; //convert to Amps ...
the value of the sensor connected to the A0 pin with the `Analogread ()` function. `ANALOGREAD ()` function returns an integer value between 0 and 1023, indicating the voltage on the simulation pin. Then, we use the `map ()` function to convert this value into a percentage of 0 to ...
value = rt_adc_read(adc_dev, var); rt_kprintf("the value is :%d \n", value); /转 换为对应电压值/ vol = value * REFER_VOLTAGE / CONVERT_BITS; rt_kprintf("the voltage is :%d.%02d \n", vol / 100, vol % 100); /关 闭通道/ ...
//These two values differ from sensor to sensor. user should derermine this value. #define ZERO_POINT_VOLTAGE (0.324) //define the output of the sensor in volts when the concentration of CO2 is 400PPM #define REACTION_VOLTGAE (0.020) //define the voltage drop of the sensor when move th...