This design concept showed up on Yanko Design. I was taken not only with its simplicity bt worth its utility as well. Yes there are power concerns to take into consideration and you can only chain so many things in a row before the 5 volts devices are expecting to be...
One of the biggest buzzwords lately is Green Tech. But the problem with generating power is that quite frankly its a bit hard to do. Solar energy is by far the most talked about alternative energy source but Solar energy is operating at around 20 % efficiency....
