His offering uses the Arduino Uno, but there are several other hardware options covered as well. The firmware makes use of the serprog-duino library which was crafted at writing to flash memory chips.

This feature isn’t exclusive to the Leonoardo, as [Michael] explains in a build he sent in – the lowly Arduino Uno can also serve as a USB HID keyboard with just a firmware update.

In modern education, learning Science, Technology, Engineering, and Mathematics (STEM) has become an essential requirement. Physical computing, embedded systems, and Internet of Things (IoT) have been ...