ESP32 Telegram Bot Wi-Fi security camera

The ESP32 controls a Telegram Bot. The system has been programmed to capture a photo whenever the PIR sensor triggers an interrupt pin.The photo is then sent out via Telegram as a message, along with a text notification. No need for an SD card as the photo is read directly from a buffer.

The trigger and the flash LED can be enabled remotely. Also, camera parameters such as contrast, brightness, saturation and sharpness can be adjusted remotely just by sending a Telegram message.

Features:

-ESP32 CAM (AI THINKER CAM) w/ OV2640

-PIR sensor motion detection

-Interrupt driven photo acquisition

-High brightness LED flash

-Completely controlled via Telegram

-Auto light sleep of the ESP32 if no messages are received. Wake up every 20 seconds to check the telegram bot or whenever the trigger is activated