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eolas/zk/ESP_32.md

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micro-controllers

ESP32 microcontroller

  • Manufactured by Expressif Systems

  • An example of a system on a chip

  • 520 KB RAM

  • Flash memory (non-volatile, equivalent to harddrive) of 4-16MB

  • WiFi and bluetooth connectivity.

  • Programmable using ESP-IDF SDK (C or C++) or MicroPython (but less efficient and you are adding the weight of an interpreter to the flash memory)

For using the ESP32 in different project, you typically use devboards, these are PCBs with ESP32 and different modules attached. The Heltec V3 (for lora radio communication) is an example of a devboard. Different devboards exist for different purposes like sensors etc.