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Old 12-14-2009, 03:44 AM   #19
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Join Date: May 2009
Location: UK
Posts: 83
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Resistors - just use anything thats the correct values, 1k ohm, and 10kohm. they are standard values, so they should be easy enough to find.

for the transistor. any NPN transistor will do. for example:


just look for a general purpose low power low frequency NPN transistor.

pretty much anything will work for this purpose, but it must be NPN, Not PNP.

or have a go with the relay and see how you get on
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