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Unread 14-03-2014, 11:32
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Re: Powering Arduino

Quote:
Originally Posted by fsgond View Post
When we used Raspberry Pi's last year we bought a second power supply that is used for the wireless router. It gives a solid 5v under extreme conditions, hence the reason it is required for the radio. Of course you would need to power it off of the PD through a 20A breaker since it is a custom circuit. It worked great for us, but did raise some questions since there were 2 and 1 of them was plugged in to a 20A breaker. Just know the rules and be able to explain why you did it the way you did it and the inspectors will pass it.
You don't HAVE to use a 20A breaker for a custom circuit. R46 states that you can use UP to a 40A breaker for custom circuits. In fact, a 5A breaker would be just fine.