How to use the ESP8266 library defined constants that have the correct mapping between NodeMCU and ESP8266 pins
ESP8266 Webserver: Accessing the body of a HTTP request
The objective of this post is to explain how to get the body of a request sent to a HTTP webserver runing on the ESP8266. Introduction The objective of this post is to explain how to get the body of a request sent to a HTTP webserver running on the ESP8266. In this example we …
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ESP8266: Interfacing with a 4×4 Matrix Keypad
The objective of this post is to explain how to use a 4x4 matrix keypad with the ESP8266. For simplicity, we will assume the use of the ESP8266 integrated in a NodeMCU board. Introduction The objective of this post is to explain how to use a 4x4 matrix keypad with the ESP8266. For simplicity, we …
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ESP8266: Scanning WiFi Networks
The objective of this post is to explain how to scan the surrounding WiFi networks with the ESP8266. The code The code for this tutorial will be very simple and since we only want to scan and get some information about the surrounding WiFi networks, we will do all the coding on the setup function. …
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