Where would I buy an Electro Permanent Magnet that I can easily interface and control with an Arduino?

Where can I buy an Electro-Permanent Magnet?

John_Rae April 5, 2014, 4:08pm 5

What's an "electro-permanent magnet"
Electro magnet = one that is magnetic when energised
Permanent magnet = one that is permanently magnetised

So what is it you are looking for ?

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