We’ve gotten used to the GPIO-available functions of Raspberry Pi computers remaining largely the same over the years, which is why it might have flown a little bit under the radar: the Raspberry Pi 4 ...
The Cluster HAT v2.3 does what it says on the tin. It allows you to combine a Raspberry Pi A+/B+/2/3 with up to 4 Raspberry Pi Zeros. The latter connect via a Controller Pi GPIO and are configured to ...