RasPiO Duino Arduino Compatible Add on Board for the Raspberry Pi 3 3B+ & Zero - RasPiO Duino The RasPiO Duino is a small plug-on board that has functionality similar to that of an Arduino but is programmable from the Raspberry Pi. Once it has been programmed it can be removed from the Pi and used on its own or can be used interactively with the Pi. There is a 72-point prototyping area and the Pi's GPIO ports are also broken out onto the Duino.
All the ports on the Duino are clearly labelled. Each of the useful pins on the ATmega are broken out to a cluster of three holes. Male and female headers are provided so you can connect whatever you like to your RasPiO Duino.
The Duino comes as a kit and will take about 30 minutes to build with some soldering required. Once you have built it software programming should take another 15 minutes and then you are ready to go. For programming there are three jumpers to connect the microcontroller