Last year, I took a look at some mostly low-cost passive infrared (PIR) motion sensor modules. Then recently, I became more aware of cheap microwave radar motion sensor modules. The popular version of ...

A relay module is an electrical component. Various industries use this circuit board that houses one or more electric switches or relays in different circuits and electrical projects. Relay boards are ...

Across the web, there are countless designs for shock/vibration sensors for automobile antitheft alarms, door/window break detector alarms, and almost any other security alarm you can think of. Many ...

The MarketWatch News Department was not involved in the creation of this content. New technologies designed to support solar, storage, and smart infrastructure will debut at North America's largest ...

New technologies designed to support solar, storage, and smart infrastructure will debut at North America’s largest clean energy event OMRON Electronic Components, a global leader in innovative ...

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 ...

Berlin-based startup Relayr charmed the judges at the Code_n startup competition with its kit for building Internet of Things devices, and walked away with €30,000 (US$32,000). The company was one of ...