Help with reverse polarity

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bhog

Member - Posts: 5

Joined: December 27, 2003

Posted: December 27, 2003 at 7:43 PM / IP Logged

Can you reverse polarity on this circut. positive in negitive out?

https://www.the12volt.com/images/latchonoffsp.gif

HamiltonAudio

Silver - Posts: 278

Joined: October 15, 2003

Posted: January 01, 2004 at 9:01 PM / IP Logged

could u not just add one more relay to do the polarity change?

japanime83

Member - Posts: 13

Joined: January 01, 2004

Location: United States

Posted: January 01, 2004 at 9:18 PM / IP Logged

use an npn transistor as a relay it should work just remember to heat sink it!

-kitt

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Help with reverse polarity

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