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RSS订阅原创 Arduino学习笔记——车辆报警显示设计
Arduino学习笔记——车辆报警显示设计用超声波检测距离，如果距离车越近，蜂鸣器响的越快，并在led1602显示。#include “SR04.h”#define TRIG_PIN 2#define ECHO_PIN 3#include <Wire.h>#include <LiquidCrystal_I2C.h>LiquidCrystal_I2C lcd(0x27,16,2);SR04 sr04 = SR04(ECHO_PIN,TRIG_PIN);long a;
2020-06-26 13:56:41
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原创 Arduino学习笔记——超声波/蜂鸣器
Arduino学习笔记——超声波/蜂鸣器int TrigPin = 2;int EchoPin = 3;float cm;void setup(){pinMode(TrigPin ,OUTPUT);pinMode(EchoPin, INPUT);pinMode(8,OUTPUT);}void loop(){digitalWrite(8, LOW);digitalWrite(TrigPin, LOW);delay(500);digitalWrite(TrigPin, HIGH
2020-06-26 13:53:27
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原创 Arduino学习笔记——按键控制
Arduino学习笔记——按键控制int x = 0 ;void setup(){pinMode(8,INPUT);pinMode(4,OUTPUT);}void loop(){if(digitalRead(8) == LOW){delay(200);x = !x ;if(x ==1){digitalWrite(4, LOW);}else{ digitalWrite(4, HIGH);}}}
2020-06-26 13:37:34
996
原创 Arduino学习笔记——LED灯
Arduino学习笔记——LED灯LED流水灯void setup(){for (int i=2; i<=4; i++){pinMode(i,OUTPUT);}}void loop(){for (int x=2; x<=4; x++){digitalWrite(x,HIGH);delay(500);digitalWrite(x,LOW);delay(500);}}
2020-06-26 13:33:23
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