There are several GHI and non-GHI boards that support TinyCLR OS. A pre-compiled firmware file and loading instructions are made available on our documentation system.

FEZ (Fast and Easy!)

FEZ is not only the official TinyCLR OS board but it is also the Fastest and Easiest way to get started with TinyCLR OS and embedded devices. Whether you are a beginner or an expert, you will find and enjoy the quick startup curve along with the wide range of uses of the FEZ board.


Internet of Things (IoT) Ready

FEZ comes with a built in WiFi. It utilizes ST Microelectronics’ SPWF01SA.11 CE/FCC certified WiFi Module.

Of course, we didn’t just include the module. TinyCLR OS includes the necessary drivers to make secure WiFi connections available through a .NET-compatible interface.

TinyCLR OS - Hardware Options

Arduino-pin Compatible

The footprint and pinout of FEZ is made to be Arduino Compatible. This allows for the use of a wide range of plug-and-play accessories onto the FEZ.

Thanks to TinyCLR OS, these accessories are programmable through a modern language and programming environment.

Hand Picked Accessories

With thousands of sensors and control modules that can be used with any Arduino-pinout compatible board such as the official TinyCLR OS board – FEZ. We have hand-picked a few accessories available from companies supporting the maker communities.



A 1.8” color display with a joystick and a micro SD connector.



A shield allowing click board to be used with Arduino-pinout compatible boards.



A battery powered sumo robot with reflective sensors, an accelerometer and a gyro.



A kit with several Grove modules and a host shield.



A kit containing Motor controller shield with gearboxes and wheels.

Third-party Software

FEZ is a powerful low-cost tiny piece of hardware. While it is made for TinyCLR OS, we welcome unofficial third-party software onto the FEZ. Let us know if you have tested other software to FEZ

Third-party Options

The History of FEZ!

Did you know that FEZ has been around for a very long time?

Here is some history