Dependancies
Buy the components
src/main.cpp
#include <Arduino.h>
void setup() {
pinMode(LED_BUILTIN, OUTPUT);
digitalWrite(LED_BUILTIN, LOW);
Serial.begin(115200);
Serial.println("Start blinky");
}
void loop() {
Serial.println("LED ON");
digitalWrite(LED_BUILTIN, LOW);
delay(200);
Serial.println("LED OFF");
digitalWrite(LED_BUILTIN, HIGH);
delay(200);
}