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{{Arduino Buyers Guide}} {{Bells/Buzzers/Mics/Speakers Buyers Guide}}

Solenoids are used for converting electrical energy into mechanical energy ''(transdu {{Relays & Solenoids Buyers Guide}}

...nergised the common contact switches to the normally open contact. In many relays the contacts are arranged in groups of three. Relays, in common with many other electronic devices which include movement and an