UART OBLOQ: Subscribing to MQTT topic

In this tutorial we will explain how to subscribe to a MQTT topic using UART OBLOQ.
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ESP8266: Posting JSON data to a Flask server on the cloud

The objective of this post is to explain how to make a POST request containing JSON data to a cloud server, with the ESP8266. The cloud server will be implemented using Flask and will be hosted in Pythonanywhere.

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