Controlling your Arduino from a distance greater than your local area network often requires paid IoT services, such as Blynk or Microsoft Azure, or some complex coding and time. For a simpler and less expensive way to remotely control your Arduino and retrieve data, you can use the Telegram instant-messaging service and an ESP32-based Arduino-compatible board.
Telegram is a free, globally accessible cross-platform encrypted messaging service that allows users to chat with each other one on one or in groups on a relatively secret basis. Thanks to Telegram’s automation feature, you can get an Arduino to control ...
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