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Unread 08-07-2012, 15:20
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Re: Turning LEDs on/off

The DSC Digital I/O does not appear to be able to sink 20 mA.
Ether's transistor switch should work fine. A FET (especially an IFF510) may be overkill, a plain NPN switching transistor will be fine.
All these parts (resistors, 2n2222 or 2n3906 transistors) are available at Radio Shack.
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Last edited by DonRotolo : 08-07-2012 at 15:22.
 


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