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Unread 05-02-2005, 13:17
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Kevin Watson Kevin Watson is offline
La Caņada High School
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Re: 5-volt custom electronics

Quote:
Originally Posted by phrontist
We have some electronic assemblies that run on 5-volts, and we're trying to figure out the best way to power them while on the robot. Any suggestions? We were going to use a voltage regulating IC connected to the power supply through the breaker board. Is it safe to draw power from the digital outputs? How about 300ma?
You shouldn't have any problem getting 300mA from the robot controller. If you use the venerable 7805, which is a linear regulator, you'll need to use a heat sink because it'll be dissipating at least 2.1 watts ((12-5)V * 0.3A).

-Kevin
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Kevin Watson
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