I had 3 STM32F030 Demo board , I try to use Examples blink to test it's success.
but I try Serial.println("HELLO WOELD"), I can't see any message in ArduinoIDE monitor box, I don't know why.
I had change baud to 9600 in monitor box , and change demo board , usb to rs232 adapter, it all fail , please help me , thank you .
my code
Code: Select all
#define pinLED PA4
void setup() {
Serial.begin(9600);
pinMode(pinLED, OUTPUT);
}
void loop() {
digitalWrite(pinLED, HIGH);
delay(1000);
digitalWrite(pinLED, LOW);
delay(1000);
Serial.println("Hello World");
}