![cartola](/proxy/?url=https://content.instructables.com/FRC/GWQS/ICP0WKG4/FRCGWQSICP0WKG4.jpg?auto=webp&crop=1%3A1&frame=1&width=150)
cartola
Rio de Janeiro - Brazil Joined December 30th, 20085 Instructables 191,118 Views 56 Comments 29 Followers
I am an electronic engineer but work as a system analist. I started doing such projects when I was 15 years old. I did some home made photo machines and a photo amplifier to make BW picture copies at home. I usually fix things at home and have many ideas to make little gadgets.