The 4 channel smart relay board is powered by a ESP32 WROOM providing the ability to safely control up to four appliances or devices on a load of 110-250 VAC/7A, 30 VDC/10A depending on your needs.

I have a standard irrigation system with 24VAC solenoids. I have built a simple Arduino + ethernet shield connected to a 4xopto-isolated-relay board for controlling each of my 4 sprinklers. I have the ...

There are at least 20 different ones available in the Arduino Store, but which among them is the best board for beginners? Let's take a look.

That initiative puts forward a Wi-Fi capable board for Arduino projects that permits wireless programming and the ability to interface with Web services.

Two new development kits that require Arduino programming skills could make it easier for the do-it-yourself set to build electronics and wearable devices. The LittleBits Arduino at Heart starter ...