// ==================================================== // ArduExams Copyright(C) 2018 Furkan Türkal // This program comes with ABSOLUTELY NO WARRANTY; This is free software, // and you are welcome to redistribute it under certain conditions; See // file LICENSE, which is part of this source code package, for details. // ==================================================== #define PIN_LED1 15 #define PIN_LED2 16 int LED_Random = 0; void setup() { pinMode(PIN_LED1, OUTPUT); pinMode(PIN_LED2, OUTPUT); randomSeed(analogRead(0)); Serial.begin(9600); } void loop() { LED_Random = random(10, 50); if(LED_Random % 2 == 0){ digitalWrite(PIN_LED1, LOW); digitalWrite(PIN_LED2, HIGH); } else { digitalWrite(PIN_LED1, HIGH); digitalWrite(PIN_LED2, LOW); } delay(1000); }