So you want to control some mains electrical (or lower voltage) item using your phone, perhaps? This single ESP8266 plug-in controls a relay that is built in to the module. An Android app (.apk) ...

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 ...

This cost-effective 433MHz wireless relay switch circuit allows remote relay control using an RF transmitter and receiver module. It is ideal for scenarios where wired connections are impractical or ...

Investing.com -- Lockheed Martin Corp (NYSE: LMT). has been awarded a $58.47 million firm-fixed-price contract from the U.S. Department of Defense for relay control element sustainment. The contract ...

1 School of Physics and Electronic Information Engineering, Zhejiang Normal University, Jinhua, China. 2 School of Mechanical Engineering and Automation, Wuhan Textile University, Wuhan, China. 3 ...

Abstract: In today's world, energy efficiency and smart technologies are becoming increasingly important. Lighting is a significant contributor to energy consumption, and traditional lighting systems ...

Members can download this article in PDF format. In this design idea, you will learn how to interface two PIC microcontrollers using a wireless 433-MHz RF transmitter/receiver pair to control up to ...

Arduino has recently announced two new expansions to their Arduino Pro Opta PLC series – the Arduino Pro Opta Ext D1608E and Arduino Pro Opta Ext D1608S, the main difference between the two is that ...