How to get started with FreeRTOS and ESP8266 by Denis Nuțiu

February 7, 2019
(188 views)

Recently, I purchased a NodeMCU from AliExpress for about $4. The reason I did this was to find out what all the fuss is about with ESP8266.

NodeMCU is an open source IoT platform. It includes firmware which runs on the ESP8266 Wi-Fi SoC from Espressif Systems, and hardware which is based on the ESP-12 module.

Source: ESP8266 Datasheet

Compared to the Arduino UNO, my ESP8266 totally knocks it out of the park when it comes to CPU power and price.

The ESP8266 is 500% faster and 82% cheaper than the Arduino. The ESP8266 also has WiFi connectivity.

I was very surprised when I visited the Espressif website for the ESP8266. There’s lots of documentation and resources that you can use. For example, there’s an Android application which tells your ESP8266 to connect to your WiFi. The app sends the SSID and password as packets, the ESP8266 sniffs them, and then it connects to your WiFi. This is called SmartConfig, and was invented by Texas Instruments.

In this article, I will guide you to setup and run....

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