Mobile phone, mp3 player etc.. many devices can use a simple charging circuit .. circuit 7805 on the regulator board if direct 5v if you are arriving 7805 no need to use only USB Data-“D” and the Data + “D +” connected to the ends of resistors need to be
iPod for charging USB Data-“D” and the Data + “D +” for other devices will be 10k 100k resistor will be
Handmade Electronic Capacitor
Handmade is a lot of capacitors in the included one day too in an emergency capacitor can not find you can do yourself 🙂 capacitor made of aluminum foil from the tracks, and a few additional ingredients being used again “Pen Battery & Magnet with a simple motor construction” article as a different application has been