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Topic: What component can act as a switch and be controlled by an Arduino? (Read 671 times) previous topic - next topic


I have a small DC motor and an Arduino Uno board. The motor must be powered by it's own power supply but it also needs to be activated by the Arduino's programming.
Is there a component that acts as an electronic switch/gate (no physical input required) which, when told to by the Arduino, will enable/disable power accordingly to the motor?

Nothing fancy, just a simple on/off switch that can be controlled electronically.




Some of my projects:
Shield for DS1337+, DS1624 and AT24C1024B (RTC, temp & mem): http://forum.arduino.cc/index.php/topic,126197.0.html
CHDK Camera remote shutter (BT, IR, USB): http://forum.arduino.cc/index.php?topic=295377.0


Thank you so much man. I was looking for a specific keyword for the type of component I was looking for and that's the one: relay!

James C4S

Capacitor Expert By Day, Enginerd by night.  ||  Personal Blog: www.baldengineer.com  || Electronics Tutorials for Beginners:  www.addohms.com


Is this multiple choice?
Relay, SSR, Vacuum tube, SCR, TRIAC, BJT, IGFET, SIT, DMOSFET...

And of course, the Kryton:

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