It is simple, it is useful and moreover, it is cheaper. Solar panel is something very handy to have if you live in a sunny area. You can always use it to provide some juice for any small device and that too with no extra cost for power. The procedure to make one is very simple. An array is an assembly of solar-thermal panels or photovoltaic (PV) modules with panels connected either in parallel or series.
The video here will make the procedure more clear.
Via: techeblog
