Author Topic: Simple ground question  (Read 2454 times)

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Offline Its_FridayTopic starter

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Simple ground question
« on: March 11, 2009, 03:44:39 PM »
I'm trying to make a circuit board that has a quadruple half h-bridge chip. There's a 12V power source, a 5V power source, and 4 PWM pins. Can they all share a common ground?
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Offline Razor Concepts

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Re: Simple ground question
« Reply #1 on: March 11, 2009, 03:45:39 PM »
Yes. Actually, they are supposed to all share a common ground.
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Offline HDL_CinC_Dragon

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Re: Simple ground question
« Reply #2 on: March 12, 2009, 03:28:26 PM »
ALWAYS have common grounds!
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Offline Soeren

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Re: Simple ground question
« Reply #3 on: March 12, 2009, 11:42:24 PM »
Except where there's a reason not to ;)
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A rather fast and fairly heavy robot with quite large wheels needs what? A lot of power?
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Offline householdutensils

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Re: Simple ground question
« Reply #4 on: March 12, 2009, 11:43:02 PM »
Big Common Ground == Low Impedance == Less Noise
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