/* Blink Turns on an LED on for one second, then off for one second, repeatedly. This example code is in the public domain. */ // Pin 13 has an LED connected on most Arduino boards. // give it a name: int led = 13; // the setup routine runs once when you press reset: void...
项目地址:https://www.tinkercad.com/things/fxAUiYvu7aG /*Button Turns on and off a light emitting diode(LED) connected to digital pin 13, when pressing a pushbutton attached to pin 2. The circuit: * LED attached from pin 13 to ground * pushbutton attached to pin 2 from +5V * 10K ...
}else{//if the current state is LOW, then the button//went from on to offSerial.println("off"); }//delay a little bit to avoid debouncingdelay(5);//Wait for 5 millisecond(s)}//save the current state as the last state, for//the next time through the looplastButtonState =buttonSt...
// logic is inverted. It goes HIGH when it's open, // and LOW when it's pressed. Turn on pin 13 when the // button's pressed, and off when it's not: if (sensorVal == HIGH) { digitalWrite(13, LOW); } else { digitalWrite(13, HIGH); } } [Get Code] 更多 setup() loop(...
// pinMode(BUTTON_BOOT, INPUT);timer = timerBegin(0, 80, true);timerAttachInterrupt(timer, &...
sendCode(lastButtonState == buttonState); // 更新按键开关状态变量 digitalWrite(STATUS_PIN, LOW); // 闪烁状态显示红外LED告知用户当前"学霸遥控器"正在发射红外信号(熄灭LED) delay(50); // 信号发射间歇 } else if (irrecv.decode(&results)) { // 如果按键开关处于没有被按下的状态,则实时检查红外...
- Note: on most Arduinos there is already an LED on the board attached to pin 13. created 2005 by DojoDave <http://> modified 30 Aug 2011 by Tom Igoe This example code is in the public domain. https://www.arduino.cc/en/Tutorial/BuiltInExamples/Button ...
本文利用PS2手柄和Arduino开发板制作了一个简易的遥控小车,利用蓝牙进行通信,可以实现前后左右的移动。(原理掌握之后可以自己拓展相关功能) 一、零件 1.Arduino UNO开发板: ArduinoUNO是ArduinoUSB接口系列的最新版本,作为Arduino平台的参考标准模板。UNO的处理器核心是ATmega328,同时具有14路数字输入/输出口(其中6路可作...
This example code is in the public domain. 此代码示例位于公共域中。 https://www.arduino.cc/en/Tutorial/BuiltInExamples/DigitalReadSerial */ (3)全局变量 // digital pin 2 has a pushbutton attached to it. Give it a name: 数字针 2 上接了一个按钮开关。给他取个名字: ...
feat(matter): adds a new endpoint to Matter - On/Off Plugin (Power Relay) by @SuGlider in #10722 feat(matter): General Review - remove while(!serial) ipv6(enable) and fixes some commentaries in the code by @SuGlider in #10732 feat(matter): Adds Identification callback to all matter...