Cheap “5V 1W” solar panel

I’ve been investigating solar power options for some external monitoring devices, so I invested in three (3)  “5V 1W” solar panels from eBay,  the amazing price of  $1.69 AUD each (around $1.20 USD or £1 UK), not really knowing what to expect.     When the panels arrived, the first thing I noticed as that the solar collector on each of them, didn’t quite look the same.     Also, one of them had … Read More