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Tech Support? - Help!

Hello,

I am working on a project where i'm looking to deliver power from a

12vdc, approx 10A, battery to a mechnical relay which will switch when i send a signal from my microcontroller.

The catch is that, as most linear actuators need positive and negative voltage, so do mine..

I am thinking i may be able to accomplish this if i use two mechanical relays but thats just a guess. I was thinking some kind of setup with an inverse amplifier but that certainly does not not manage such current.

If anyone has any suggestions I would greatly appreciate it

Thank You

Reply to
minski_wit
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Do a web search on 'H-bridge'. 12V at 10A is pretty tame these days.

If you are bound and determined to do this with relays you could use a SPDT relay to turn things on and off, and a DPDT relay to reverse direction.

--

Tim Wescott
Wescott Design Services
http://www.wescottdesign.com

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Reply to
Tim Wescott

If you have a spare change over set of contacts on the relay, you can use this to switch the -12V. No electronics involved

martin

Reply to
martin griffith

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