Now Let’s start. Step 1 Open telegram and find BotFather [...]

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const int PIR_SENSOR_OUTPUT_PIN = 13;  /* PIR sensor O/P pin */ int [...]

/* Rui Santos Complete project details at https://RandomNerdTutorials.com/telegram-esp32-motion-detection-arduino/ Project [...]

#define INTERNAL_LED 2 void setup() { pinMode(INTERNAL_LED,OUTPUT); Serial.begin(9600); } [...]