A simple and convenient way to interface 2 relays for switching application in your project. This relay driver boosts the input impedance with a regular BC547 NPN transistor (or equivalent). Very ...

Raspberry Pi users may be interested in a new 8 channel relay board named the PiRelay 8, specifically created for the Raspberry Pi range of mini PC systems. The relay board allows you to connect up to ...

If you’re looking for a quick and easy way to control a few devices from your computer, a cheap USB relay board might be the ideal solution. These are fairly simple gadgets, consisting of little more ...

GOEPEL electronic has extended its portfolio of innovative USB modules. USB 31128 is a relay board with USB 2.0 interface for general measurement and control applications to switch electronic signals ...