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Old 18th July 2005, 04:19 PM   #1
MtBiker is offline MtBiker  United States
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Default 12V trigger buffer

OK so my processor's 12V trigger output is on the weak side as far as current capabilities. Let's say that I want to use it to flip a couple of relays. What's the best way? Should I buffer it somehow? Should the relays be flipped by some other means and power and the 12V is just a logic signal?
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Old 18th July 2005, 10:00 PM   #2
jaycee is offline jaycee  United Kingdom
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Use the 12v from the processor to switch the relays via transistors, using a 12v wallwart to power the relays.
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