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 ...

Abstract: This work is presenting a water level control and monitoring system in a tank, by using the development boards Arduino Uno, NodeMCU ESP8266 and the ultrasonic sensor HC-SR04. The water tank ...

Abstract: The fast change and growth in technology has gradually met the modern man’s need to be able to easily control many aspects of his life. Such aspects include controlling one’s home remotely ...

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 ...

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...