Thread: Stepping down from 5v to 3-4.5v
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14-03-2009 #1
Hi everybody,
I have a cross line laser module to fit on my machine. My bob outputs a regulated 5v but the laser can only handle 3 to 4.5v.
I imagine I need some sort of inline resistor to drop the 5v to 4.5v?
Question is what value resistor?
or is there a better way?
I know I could use 3 x 1.5v batteries but I'd like an onboard solution I can control from a macro via Mach.
Many thanks for any and all help.
Regards, JeffNothing is foolproof......to a sufficiently talented fool!
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