More ideas from omerozmen
Simple Trick to Control, 3 Seven Segment Displays using an Arduino Mega, 7490 and 4511 ICs  Read more at :

best, amazing, simple and most effective circuit to control a three digit seven segment display counter using arduino mega 7490 and connecting 7490 to arduino, connecting 4511 to 7490

***** Small Arduino CNC #arduino ~~~ For more cool Arduino stuff check out

This instructable shows you how to build a cheap and easy, but very small CNC. You can use it to mill thin balsa wood and different foams.