DIY Electromagnet from Rubbish make it yourself in a few steps

Here I show you how to make an electromagnet from rubbish.Besides a power source you only need 2 things. What you need:Power Source ( USB TTL Module 5V OUT)Ferrous Thing ( Screwdriver)Copper Coil from Electro Rubbish- also used but not necessary:BreadboardJumper WireVoltmeter Unwind Copper Coi...

By: bastelking



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from Instructables: exploring - technology http://ift.tt/1zra0GF