Meriam tembak Robotic

http://www.instructables.com/id/How-to-Make-a-Robot-for-Children-Sentry-Gun/

just visit Gadgetronicx

many inspiration project here, from easy scheme to wierd project. be happy... https://plus.google.com/+Gadgetronicx

bikin power supply untuk running text

eh blum.. nunggu aku praktekkan dulu ya. baru ku tulis disini
http://qabulbee.blogspot.co.id/2012/02/power-suppy-5v-9v-dan-12v.html