Do I need a diode for my 12V electromagnet solenoid, if using a transformer that converts 110V to 12V? - Quora
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Flyback Diode Tutorial | Eliminate Back EMF (AKA Snubber Diode, Kickback Diode, Freewheeling Diode) - YouTube
Why do inductors require flyback diodes and capacitors don't? Aren't they both energy storing components? - Quora
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Solenoid Valve Connectors, Receptacle, 3 Pole, Form A 18mm, with 4 Pole M12 Male Straight, 50V, 4A, LED w/Flyback Diode, with ground opposite
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Do you need to supply higher voltage to a solenoid if using a flyback diode - Project Guidance - Arduino Forum
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12v DC Solenoid , a RaspberryPi & a 3d printed case - Projects - Discourse – South London Makerspace
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