The Urban Prepper tests the GoTenna Mesh range using a drone as a relay node to explore off-grid communication possibilities. Ukraine made huge battlefield gain last week Young voters are turning away ...

Team India fielders Ravindra Jadeja and Sai Sudharsan worked together to complete a smart relay catch by the boundary line to dismiss Jamie Smith on Day 3 of the first Test against England. Prasidh ...

This is a DIY Arduino-based overcurrent relay project that emulates Inverse Definite Minimum Time (IDMT) protection using an Arduino Nano and ACS712 current sensor. Instead of traditional ...

If you've ever wished your fidget toy were a mini games console with an OLED display and six key switches, you can build one yourself with some electronics know-how. Well, more accurately, you need a ...

This project demonstrates how to control an **electrical relay module** using a **push button** and an **Arduino UNO**. When the button is pressed, the relay activates; when released, it deactivates — ...

Most of us will know someone who has had their car stolen in the past few years. Virtually all vehicles have standard-fit electronic security systems, and while this has thwarted thieves who use ...

Abstract: This paper presents a relay based procedure for autotuning Proportional-Integral-Derivative (PID) controllers based on a short relay test, aimed at improving the efficiency and accuracy of ...