The ‘under’ in Undershield comes from this shield being mounted underneath the Arduino, unlike every other shield on the planet.

I just received my RC522 RFID reader and made this simple Arduino access control system that uses the reader, a buzzer for the alarm and a relay shield for the security system.

To interface with the Arduino Uno, you’ll need a custom shield that houses essential components such as relays, transistors, power supplies, and an operational amplifier.

Over on the Arduino blog, the release of the official Arduino WiFi shield was just announced. On the spec page for this WiFi shield. we can see this new board isn’t a slouch; it’s powered by a ...

Expansion boards like the Arduino 4 Relays Shield (Fig. 2) is why these platforms have become so popular. It’s allowed third parties to give developers access to peripherals from wireless ...

We connected an Arduino controller to the pump and fan, using a part called a Relay Shield to protect the device’s delicate circuits from the current.

Electronics enthusiasts looking to control any normal outlet or high-voltage product from anywhere may be interested in the new Relay Shield for Photon, which is now available to purchase directly ...

Arduino have taken the tiny wraps off of the official ethernet shield for their open-source prototyping platform, which adds network connectivity to the device. Based… ...

OMC has launched a fibre optic transceiver shield for Arduino Uno, designed to work with PMMA (polymer) optical cables up to 25m long, plus demonstration software.

The shield is also compatible with PMMA cables, at up to 25 meters in length, with options for longer distances using high-power emitters or glass fiber.