代码中指定的所需交流电压: 登录后复制Serial.print(" ac voltage ") ;// this gives name “ac voltage” to the printed analog valueSerial.print(n) ;// this simply prints the ac voltage value int m;// initialise variable m float n;//initialise variable n void setup() { pinMode(A0,INPU...
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...
Arduino UNO 开发板的 3、5、6、9、10、11 号数字 I/O 引脚支持PWM输出,3、9、10、11 号引脚输出的 PWM 信号频率约为 490Hz,5、6 号引脚输出的 PWM 信号频率约为 980Hz。analogWrite(pin,value)是 Arduino IDE 中控制 PWM 输出的专用函数,pin ...
pinMode(slaveSelectPin,输出); pinMode(增加,输入);// 声明LED为输出 pinMode(decrease, INPUT); // 将按钮声明为输入 pinMode(current_sense, INPUT); // pinMode(voltage_sense, INPUT); // // 初始化 SPI: SPI.begin(); //设置LCD的列数和行数: lcd.begin(16, 2); // 向 LCD 打印一条消息。
// initialize serial communication at 9600 bits per second: Serial.begin(9600); } // the loop routine runs over and over again forever: void loop() { // read the input on analog pin 0: float sensorValue = analogRead(A0); // convert ADC value to voltage ...
//采样点数67if(Frequency<=100)//保证在频率范围内都能够采到至少100个点68SingleCycleSamplingPoints=1/(SamplingTime_s*Frequency);//根据频率智能计算采样点数69else70SingleCycleSamplingPoints=100/(SamplingTime_s*Frequency);71floatPeak=(((analogRead(InputVoltagePin))/1023.0)*5.0)/InputPartialRatio;//在...
#include "ROBOTH.h" #include "Arduino.h" // Init Motor void MOTOR::Init(String strMotorType, bool bolVSpeed, int intDir, int intInput1PIN, int intInput2PIN) { gstrMotorType = strMotorType; gbolVSpeed = bolVSpeed; gintDir = intDir; gintInput1PIN = intInput1PIN; gintInput2PIN ...
pinMode()函数官方说明: 通过pinMode()函数,你可以将Arduino的引脚配置为以下三种模式: 1、输出(OUTPUT)模式 2、输入(INPUT)模式 3、输入上拉(INPUT_PULLUP)模式 (仅支持Arduino 1.0.1以后版本) 在输入上拉(INPUT_PULLUP)模式中,Arduino将开启引脚的内部上拉电阻,实现上拉输入功能。一旦将引脚设置为输入(INPUT...
20-pin header (J5)Camera – 20-pin Arducam camera header (J6)USB1x USB Type-C port for programming and HID1x USB 2.0 host Type-A portAudio – 3.5mm audio jackI/OsUp to 76x I/O pins (including the camera/display headers)4x UART, 3x I2C, 2x SPI12x PWMUp to 12x analog input...
int btstate = 0; void setup() { pinMode(13, OUTPUT); pinMode(11, INPUT); } void loop() { btstate = digitalRead(11); if (btstate == HIGH) { digitalWrite(13, HIGH); } else if (btstate == LOW) { digitalWrite(13, LOW); } } ...