// the setup function runs once when you press reset or power the board
void setup()
{
// initialize serial:
Serial.begin(9600);
}
// the loop function runs over and over again forever
void loop()
{
// send "Hello World" message through onboard USB-UART converter (STLink)
Serial.println("Hello World");
// wait one second
delay(1000);
}
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楼主
