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 ...

Abstract: Over the past decade, significant advancements in electronics, computer science, and communications have propelled the evolution of embedded systems within the Internet of Things (IoT) ...

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 ...

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 ...

Those of us who have not been in that position can only imagine the anguish of learning that your teenager has cancer. This happened to [Rob], whose child was diagnosed with papillary thyroid cancer.