Security camera based on a Raspberry Pi and Telegram, controllable via smartphone and desktop computer. This is a simple Telegram bot that acts as a security camera. It is intented to run on a Raspberry Pi but may be used on any other Linux system, too. It requires a camera (for example a Raspberry Pi Camera Module v2) and either a PIR sensor or the software motion. It can be controlled by any Telegram client, thus supporting many different client platforms such as smartphones (Android, iOS and Windows Phone) and desktop computers (Linux, macOS and Windows).