乐乐2365

int incomingByte =  0;
int ledpin = 13; //13
unsigned char hexdata[7] = {0xA5,0x5A,0x04,0x83,0x10,0x00,0x01};
void setup()
{
  Serial.begin(9600);
  pinMode(ledpin, OUTPUT);
}

void loop()
{
   Serial.write(hexdata,8);//
    delay(1000);
  if (Serial.available() > 0)
  {
    incomingByte = Serial.read();
    //A5 5A 06 83 10 00 10 00 00

    if(incomingByte==0xA5,0x5A,0x06,0x83,0x10,0x00,0x10,0x00,0x00)
   
    { //R
      digitalWrite(ledpin, HIGH); //13 LED
      delay(5000);
      digitalWrite(ledpin, LOW); //13 LED
       delay(5000);   }
  }}

乐乐2365

小弟出学理解不了。大侠详解。程序原理就是往屏里写A55A0483100001.这是读屏参数。屏返回A55A06831000100000这HEX个值