/* * State change detection: 检测按键按下的状态并累计次数 */ // 定义端口 const int ledPin = 13; const int buttonPin = 2; // 设置变量 int currentButtonState = 0; int lastButtonState = 0; int count = 0; void setup() { // 初始化端口 pinMode(ledPin, OUTPUT); pinMode(buttonPin...
上传以下Arduino代码来控制(开/关)负载设备 //Digital Capacitive Touch Sensor Switch Arduino Interfacing#define sensorPin1// capactitive touch sensor - Arduino Digital pin D1int relayPin =13;// Output RelayPin - Arduino Digital pin D13booleancurrentState = LOW;booleanlastState = LOW;booleanRelayStat...
37款传感器与执行器的提法,在网络上广泛流传,其实Arduino能够兼容的传感器模块肯定是不止这37种的。鉴于本人手头积累了一些传感器和执行器模块,依照实践出真知(一定要动手做)的理念,以学习和交流为目的,这里准备逐一动手尝试系列实验,不管成功(程序走通)与否,都会记录下来—小小的进步或是搞不掂的问题,希望能够抛砖引...
10.1 HIGH|LOW(引脚电压定义) 10.2 INPUT|OUTPUT(数字引脚(Digital pins)定义) 10.3 true|false(逻辑层定义) 10.4 integerconstants(整数常量) 10.5 floating point constants(浮点常量) 十一、数据类型 11.1 void 11.2 boolean(布尔) 11.3 char(有号数据类型) 11.4 unsignedchar(无符号数据类型) 11.5 byte(无符号...
} void current_sense() // 电流检测 { int val1=digitalRead(2); int val2=digitalRead(3); if(val1==HIGH || val2==HIGH){ counter++; if(counter==3){ counter=0; Serial.println("Warning"); } } } void setup(void) { int i; for(i=4;i<=7;i++) pinMode(i, OUTPUT); Serial....
// Declare digital output pins: pinMode(controlPin1A, OUTPUT); // 1A pinMode(controlPin2A, OUTPUT); // 2A pinMode(ENablePin, OUTPUT); // EN1,2 pinMode(controlPin3A, OUTPUT); // 3A pinMode(controlPin4A, OUTPUT); // 4A
10.2 INPUT|OUTPUT(数字引脚(Digital pins)定义) 10.3 true | false(逻辑层定义) 10.4 integer constants(整数常量) 10.5 floating point constants(浮点常量) 十一、数据类型 11.1 void 11.2 boolean(布尔) 11.3 char(有号数据类型) 11.4 unsigned char(无符号数据类型) ...
void setup() { pinMode(11, OUTPUT); analogWrite(11, 127); //Operates at a reduced voltage and current. } I connected a small LED to pin 11 to see the results of the above PWM code sample. As expected, it operates at a reduced brightness due to the lower voltage. The ‘127’ is...
const int ledPin = 13; // LED connected to digital pin 13 const int sensorPin = 0; // connect sensor to analog input 0 void setup() { pinMode(ledPin, OUTPUT); // enable output on the led pin } void loop() { int rate = analogRead(sensorPin); // read the analog input digital...
LED attached from digital pin 9 to ground. Serial connection to Processing, Max/MSP, or another serial application created 2006 by David A. Mellis modified 30 Aug 2011 by Tom Igoe and Scott Fitzgerald This example code is in the public domain. ...