Cogtoys

Prague, Czech Republic Joined May 5th, 2013
10 Instructables 115,821 Views 14 Comments 61 Followers

Cogtoys's Instructables

Switches in Parallel

Pull Tab Switch

Switches in Series

Knob Switch

You AND Me Valentine

The Sector

Nomogram

Binary Post-Its

Napier's Rods

Logic Gates: the AND