/** * Blink * * Turns on an LED on for one second, * then off for one second, repeatedly. * * https://github.com/platformio/platformio-examples/tree/develop/espressif */ #include "Arduino.h" #define LED_PIN 5 void setup() { // initialize LED digital pin as an output. pinMode(LED_PIN, OUTPUT); } void loop() { // turn the LED on (HIGH is the voltage level) digitalWrite(LED_PIN, HIGH); // wait for a second delay(1000); // turn the LED off by making the voltage LOW digitalWrite(LED_PIN, LOW); // wait for a second delay(1000); }