The ELK Junior Arduino Uno case is equipped with a number of excellent features that include a custom moulded section for the LCD JEMshield++ together with a keypad, backlight, beeper, 2 relays ...

OMC's H19 fiber-optic shield has been adapted as a stackable add-on for the Arduino Uno. It’s designed to simplify the integration of fiber-optic data links into microprocessor-based platforms.

The new Shield has been designed to provide a common shield for Raspberry Pi and Arduino Uno development boards with Motor Drivers, RTC, Temp, IR Sensors ...

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.

Microcontroller demo boards such as the Arduino UNO are ubiquitous on Hackaday as the brains of many a project which inevitably does something impressive or unusual. Sometime someone builds a parti… ...

I missed this one before, when it was announced at Electronica: the UNO SPE Shield, created by Arduino and Microchip working together.