The MonoBrick EV3 firmware is a firmware replacement that allows you to program and debug the EV3 brick using the open source .Net framework called Mono. This let’s you program the EV3 in .Net compatible languages such as C#, F# and IronPython. Since the firmware fits on a single SD card you simply boot the MonoBrick firmware directly from the SD card without replacing the standard firmware. As programs are executed on the Mono Framework programs can be written/compiled on Windows, Linux or Mac OS using either Xamarin Studio or Microsoft Visual Studio. The firmware supports all the features listed below. Support for all Retail and Educational LEGO sensors – Example Support for a number of HiTechnic sensors – Example Motor support including speed, timer and power profiles – Example Motor PID position controller – Example Motor synchronisation – Example Vehicle support – Example Draw graphics on the LCD – Example Write text to LCD including support for custom fonts – Example LCD