We have seen quite a few remote controlled gadgets, controlled by the iPhone, the latest one is this fun iPhone controlled Solar Powered Arduino Tank from the guys over at Project Allusion.

That last part doesn’t seem like it’ll stop Oyeyiola, who wants to create solar- and wind-powered cars that take advantage of hot, sunny Nigerian weather.

Power Integrations is showing off its GaN technology with a PSU development kit for solar-powered racing cars, that it is offering free to such teams.