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The objective of this post is to explain how to receive and parse a JSON message on a Websocket Server running on the ESP32. We will use the Arduino core as programming framework. The tests of this ESP32 tutorial were performed using a DFRobot’s ESP-WROOM-32 device integrated in a ESP32 FireBeetle board. Introduction The objective of this post is …
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In this ESP32 tutorial we will check how to serve JSON content from a Picoweb app. The tests shown here were performed using a DFRobot’s ESP-WROOM-32 device integrated in a ESP32 FireBeetle board. Introduction In this ESP32 tutorial we will check how to serve JSON content from a Picoweb app. For an introduction on Picoweb, please consult this previous post. …
The objective of this post is to explain how to perform HTTP GET requests with MicroPython, using the urequests module. This tutorial was tested with MicroPython running on both the ESP32 and the ESP8266. Introduction The objective of this post is to explain how to perform HTTP GET requests with MicroPython, using the urequests module. …
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The objective of this post is to explain how to add a Swagger UI to a ESP8266 REST API. Introduction The objective of this post is to explain how to add a Swagger UI to a ESP8266 API. Explaining what in detail what is Swagger is outside the scope of this post. As a quick explanation, …
The objective of this post is to explain how to parse a JSON string with MicroPython running on the ESP32. Introduction The objective of this post is to explain how to parse a JSON string with MicroPython running on the ESP32. If you need help setting MicroPython on the ESP32, please check this previous post …
The objective of this post is to explain how to send JSON messages over MQTT using the ESP32. Introduction The objective of this post is to explain how to send JSON messages over MQTT using the ESP32. To do so, we will be using two libraries that handle the low level details and expose us …
The objective of this post is to explain how to create JSON formatted messages using the ArduinoJson library and the ESP32. Introduction The objective of this post is to explain how to create JSON formatted messages using the ArduinoJson library and the ESP32. You can install this library via Arduino IDE libraries manager, as indicated in this …
The objective of this post is to explain how to parse JSON messages with the ESP32 and the ArduinoJson library. Introduction The objective of this post is to explain how to parse JSON messages with the ESP32 and the ArduinoJson library. We assume a previous installation of the ESP32 support for the Arduino IDE. If …
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. Introduction The objective of this post is to explain how to make a POST request containing JSON …
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How to parse JSON received by a Flask application.
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