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In this tutorial, you’ll create a Telegram bot to interact with the ESP32-CAM to request a new photo. You can request a new photo using your Telegram account from anywhere. You just need to have access to the internet in your smartphone.

ESP32 development boards with camera are becoming popular with the maker community. There are different models of ESP32 Camera boards with different features. Each ESP32 Camera dev board uses different GPIOs to connect to the camera. In this guide we’ll show you the pin definition to include in your code for each board.

Learn how to take photos with the ESP32-CAM board and save them to a microSD card using Arduino IDE. We'll be using the ESP32-CAM board labelled as AI-Thinker module

Ya hemos publicado sobre el módulo WiFi para Arduino en otra ocasión, pero esta vez se trata del módulo ESP32-CAM, un módulo WiFi ESP32 con una pequeña cámara de vídeo incorporada. Esto le permite nuevas funciones, como las de vigilancia o espionaje remoto capturando todo lo que ocurre cuando tú no estás y enviarlo a cualquier dispositivo para su grabación o para poder ver in-situ.

We have worked with the ESP32 module already, it’s a powerful yet inexpensive microcontroller from Espressif and A-Thinker with advanced features like Bluetooth, WiFi, and multipurpose GPIO ports. 
Today we’ll look at another member of the ESP32 module family, the ESP32-CAM board.

The ESP32-CAM comes with an on-board Wi-Fi antenna, but it also has an IPEX connector if you want to use an external antenna. Using an external antenna can solve problems related with slow video streaming web servers and other connectivity problems. This tutorial shows how to use an external antenna with the ESP32-CAM.