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  • The Shed

    NEW MICROCONTROLLERS

    Aug 06, 2021 4 minutes
    By Mark Beckett
    Photographs: Mark Beckett

    Quite a few years ago, the Arduino was the go-to microcontroller. It was cheap, versatile, and easy to program. Fast forward to today and the ESP8266 and ESP32 are the new go-to microcontrollers.

    Arduino set a new standard with its open-source hardware and software, along with the range of shields (addon boards), but they lacked on-board wireless and Bluetooth. Yes, some boards had it, or you could add it, but the costs escalated and the size increased with each extra module.

    ESP8266 ended that problem with built-in wireless and Bluetooth. The ESP devices generally have less GPIO (general purpose input output) but, on the plus side,

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