Learn how to establish a Wi-Fi communication (HTTP) between two ESP8266 NodeMCU boards to exchange data without the need to connect to the internet (you don’t need a router). You’re going to set one ...

Example of a button push - originally for usage of a door bell notifier, but can be used for other thing. This code uses the Arduino IDE (1.6.7 at time of this writting), with the NodeMCU boards ...

Blockchains claim to be public, distributed, effectively immutable ledgers. Unfortunately, they also tend to get a little bit huge – presently the Bitcoin blockchain is 194GB and Ethereum weighs in at ...

Abstract: This paper presents the design and implementation of an automatic crop irrigation system based on a NodeMcu ESP8266 microcontroller integrated with the Blynk platform. The system is designed ...