This project was created with tutorial from here https://www.electronicslovers.com/2018/06/using-esp8266-to-control-a-relay.html Code was minimally changed, just for ...

The ESP8266 board creates its own Wi-Fi network (Access Point). The mobile app connects to this network and sends periodic HTTP GET requests to fetch sensor data. If the ultrasonic sensor detects an ...

Abstract: Internet of Things (IOT) technology allows us to connect devices with a group of embedded sensors and be identified anywhere in the world due to their internet connection and their ...

Say, you’re starting your electronics journey with a few projects in mind. You have an ESP8266 board like the Wemos D1, a Li-Ion battery, you want to build a small battery-powered sensor that wakes up ...

[Richard Hawthorn] sent us in this interesting fail, complete with an attempted (and yet failed) clever solution. We love learning through other people’s mistakes, so we’re passing it on to you. First ...