The next module on the list is something that can do BlueTooth to talk to a headset. For security reasons, I'd prefer something that is ...

I've been busy working on the schematic and PCB design for a bunch of the modules for the MEGAphone lately.  The first batch of those I ...

This post has turned into a bit of an epic, as it turned out to have a couple of modules (solar MPPT tracker and prioritised power input sel...