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The objective of this post is to explain how to get the priorities of FreeRTOS tasks, using the ESP32 and the Arduino environment. Introduction The objective of this post is to explain how to get the priorities of FreeRTOS tasks, using the ESP32 and the Arduino environment. Task priorities are a very important concept for FreeRTOS because they …
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The objective of this post is to explain how to pass a variable as argument of a function implementing a FreeRTOS task. Introduction The objective of this post is to explain how to pass a variable as argument of a function implementing a FreeRTOS task. In order to understand this code, we will analyse first …
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The objective of this post is to explain how to launch tasks with the FreeRTOS functions. Introduction The objective of this post is to explain how to launch tasks with the FreeRTOS functions. Since this will introduce some complex concepts, we will start by a very simple example where we will create two tasks that …
The objective of this post is to introduce some basic concepts of FreeRTOS on the ESP32. Introduction The objective of this post is to introduce some basic concepts of FreeRTOS on the ESP32. First of all, it's important to take in consideration that we can use functions from the FreeRTOS libraries when coding for the …
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 connect to a MQTT broker and subscribe to a topic, using the ESP32 and the Arduino IDE libraries. Introduction The objective of this post is to explain how to connect to a MQTT broker and subscribe to a topic, using the ESP32 and the Arduino …
The objective of this post is to explain how to publish a message to a MQTT topic, using the ESP32 and the Arduino IDE libraries. Introduction The objective of this post is to explain how to publish a message to a MQTT topic, using the ESP32 and the Arduino IDE libraries. We will assume that …
Connecting the ESP32 to a WiFi network, using the Arduino core
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