pinMode(buttonPin,INPUT); // Set the pins as inputs. pinMode(buttonPin2,INPUT); Serial.begin(9600); Keyboard.begin(); // Start the keayboard funktions } void loop() { int buttonState = digitalRead(buttonPin); //read the state of the button input int buttonState2 = digitalRead(butto...
pinMode(EchoPin, INPUT); //Set EchoPin as input, to receive measure result from US-015 pinMode(TrigPin, OUTPUT); //Set TrigPin as output, used to send high pusle to trig measurement (>10us) } void loop(){ digitalWrite(TrigPin, HIGH); //begin to send a high pulse, then US-015...
: we set pin 4 to INPUT so we can read data from the button. digitalRead(BUTTON_PIN) : this will give us the current state of the button, either LOW or HIGH. If we run this program, and open the Serial Plotter (Tools > Serial Plotter, or CTRL+SHIFT+L), here is what we get,...
对于Arduino，用pinMode将IO口设为INPUT的时候，其实IO的状态为浮空输入，浮空输入也称高阻输入，也就是...
// initialize the LED pin as an output: pinMode(ledPin,OUTPUT); // initialize the pushbutton pin as an input: pinMode(buttonPin,INPUT); } voidloop() { // read the state of the pushbutton value: buttonState=digitalRead(buttonPin); ...
// set pin numbers: const int buttonPin = 2; // the number of the pushbutton pin const int ledPin = 13; // the number of the LED pin // variables will change: int buttonState = 0; // variable for reading the pushbutton status ...
(ledPin,HIGH);// sets the LED onmyGizwits.setBindMode(WIFI_AIRLINK_MODE);//AirLink modebreak;default:break;}}voidsetup(){// put your setup code here, to run once:Serial.begin(9600);pinMode(ledPin,OUTPUT);// sets the digital pin as outputpinMode(myledPin,OUTPUT);// sets the ...
https://www.arduino.cc/en/Tutorial/BuiltInExamples/InputPullupSerial */ void setup() { //start serial connection Serial.begin(9600); //configure pin 2 as an input and enable the internal pull-up resistor pinMode(2, INPUT_PULLUP); ...
Arduino结合TPA81或HC - SR505传感器可实现手势检测,TPA81可测温且精度高,HC - SR505便宜。介绍传感器原理、电路连接及代码实现,包括读取温度、定义手势偏移量、检测音量增减手势等,还可扩展检测其他手势执行任务。
Arduino hardware connection created usingarduino, specified as an object. Example:a = arduino; pin—Pin number character vector Pin number on the physical hardware, specified as a character vector. Example:D3orA1. Note If you connect to ESP32 board and the pin'smodeis set toAnalogInput, the...