A simple Hbridge built with: 2x BD177 transistor 2x BD178 transistor 4x IN4007 diode DC 3/36v 3A continuous e 7A pulsed. Controlled by arduino, here for code and schematics: http://www.gioblu.com/tutorials/azionamenti/208-cose-il-ponte-ad-h-e-come-si-costruisce The robot in the side is Pico base kit see: http://www.gioblu.com/prodotti , https://i.ytimg.com/vi/BgdvaLVtr8Y/hqdefault.jpg sourceContinue Reading