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 author_twitter: OttoWinter_
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 categories: How-To ESP8266
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 The [ESP8266](https://www.espressif.com/en/products/hardware/esp8266ex/overview) and [ESP32](https://www.espressif.com/en/products/hardware/esp32/overview) are dirt cheap WiFi-enabled microcontrollers that have established themselves as the base for many DIY home automation projects. Even quite a few manufacturers like iTead with their Sonoff devices have chosen these controllers because of their competitive price.