mirror of
https://github.com/lsdlsd88/JC4827W543.git
synced 2026-07-20 10:53:59 +01:00
lsdlsd88
32 lines
699 B
Arduino
32 lines
699 B
Arduino
/*
|
|
Serial
|
|
串口通讯实验
|
|
*/
|
|
int incomedate = 0;
|
|
void setup() {
|
|
|
|
Serial.begin(115200); //设置串口波特率115200
|
|
|
|
Serial.println(78, BIN);// "1001110"
|
|
Serial.println(78, OCT);// "116"
|
|
Serial.println(78, DEC);// "78"
|
|
Serial.println(78, HEX);// "4E"
|
|
Serial.println(1.23456, 0);// "1"
|
|
Serial.println(1.23456, 2);// "1.23"
|
|
Serial.println(1.23456, 4);// "1.2346"
|
|
Serial.println('N');// "N"
|
|
Serial.println("Hello world.");// "Hello world."
|
|
}
|
|
void loop() {
|
|
|
|
if (Serial.available() > 0)//串口接收到数据
|
|
{
|
|
incomedate = Serial.read();//获取串口接收到的数据
|
|
if (incomedate == 'H')
|
|
{
|
|
Serial.println("I am OK!");
|
|
}
|
|
}
|
|
delay(1000);
|
|
}
|