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); } 代码功能 读取电位器电压:代码通过模拟输入引脚A0读取电位器的...
The microcontroller of the board has a circuit inside called ananalog-to-digital converterorADCthat reads this changing voltage and converts it to a number between 0 and 1023. When the shaft is turned all the way in one direction, there are 0 volts going to the pin, and the input value ...
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...
}//the loop routine runs over and over again forever:voidloop() {//read the input on analog pin 0:intsensorValue =analogRead(A0);//Convert the analog reading (which goes from 0 - 1023) to a voltage (0 - 5V):floatvoltage = sensorValue * (5.0/1023.0);//print out the value you r...
// 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: ...
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 ...
Create an arduino object and read the voltage from an analog pin for a given duration and sample rate. Return the read voltage as a timetable. Get a = arduino("COM24"); readVoltage(a,"A3",Duration=0.1,SampleRate=200,OutputFormat="timetable") ans=20×1 timetable Time Voltage ___ ...
These pins correspond to analog pins A4 (SDA) and A5 (SCL) on the Arduino Uno. Arduino ADC Specification Parameter Arduino Uno/Nano Voltage Supply (Vs) 1V8 ~ 5V5 Interface Built in Resolution 10 bit Absolute Accuracy(Including INL, DNL, ...
intsensorValue=analogRead(pin_zhuodu);//read theinputon analog pin0: floatTU=sensorValue*(5.0/1024.0);//Convert the analog reading (which goesfrom0-1023) to a voltage (0-5V): TU_calibration=-0.0192*(temp_data-25)+TU; TU_value=-865.68*TU_calibration+K_Value; ...
int IRpin = 0; // analog pin for reading the IR sensor void setup() { Serial.begin(9600); // start the serial port } void loop() { float volts = analogRead(IRpin) * 0.0048828125; // value from sensor * (5/1024) - if running 3.3.volts then change 5 to 3.3 ...