Arduino 超声波测距+OLED+RGB

Posted 2023-05-13

参考技术A 1、通过超声波测距模块进行距离测量
2、将测量的结果显示在OLED屏幕上
3、当测量距离 < 20cm 时，RGB模块显示红灯报警

在线仿真Arduino 超声波测距+LCD1602显示

【在线仿真】Arduino 超声波测距+LCD1602显示

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程序代码

/*
  LiquidCrystal Library - Hello World
 This sketch prints "Hello World!" to the LCD
 and shows the time.

  The circuit:
 * LCD RS pin to digital pin 12
 * LCD Enable pin to digital pin 11
 * LCD D4 pin to digital pin 5
 * LCD D5 pin to digital pin 4
 * LCD D6 pin to digital pin 3
 * LCD D7 pin to digital pin 2
 * LCD R/W pin to ground
 * LCD VSS pin to ground
 * LCD VCC pin to 5V
 * 10K resistor:
 * ends to +5V and ground
 * wiper to LCD VO pin (pin 3)
 */

// include the library code:
#