Hobbyists, electronic enthusiasts and makers may be interested in a new 4 channel relay board aptly named the RelayFi. The 4 channel smart relay board is powered by a ESP32 WROOM providing the ability ...

Father of four, Chris Chuang has spent the past seven years contriving a solution to the psychological risks that smartphones pose to young children and earlier this year, he introduced concerned ...

It is very easy to build an “SMS-controlled relay” with the help of a cheap GSM modem module and a small microcontroller board. Here, I’m using the SIM800L and Arduino Nano V3 to develop a nifty ...

Automation Systems Interconnect, Inc. (ASI) introduces of the highest density DIN rail mounted multi-channel relay line available. The new space saving CR series relays are available in densities as ...