Rosie the Red Robot

This is it , our dedicated Terran readership (yes, all 3 of you). We've reached the very last instalment in our third, and still incredibly unspectacular DIY robotics series - Rosie 2.0 .  What has at times felt like a never-ending, rambling blog has turned into an eclectic curation of often unrelated Raspberry Pi and ESP8266 based activities (assembled under the highly misleading guise of "robotics").  And - quite frankly and not so unusually for us - we lost our bearings somewhat.  OK, badly. Except, actually, we didn't get completely and utterly lost. During our very last expedition, we took our GPS-enabled Raspberry Pi around the 10 peaks of the Brecon Beacons .  And perhaps, we inadvertently proved that there are some ingredients required for autonomous navigation that can be obtained on the fly (as opposed to from a fly, because that would be kind of weird) - for cheap.  In other words, you don't have to be an eccentric billionaire with a pencha