SWITCH BOX

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jaredbale2000

Joined Oct 30, 2007
4
i NEED TO BUILD A BASIC SWICTH BOX THAT LIGHTS A DC BULB WHEN I TURN IT ON.HOWEVER THE BULB SHOULD WORK BETWEEN 24V AND 60VOLTS AS I AM TESTING SOME UNITS THAT VARY WITHIN THIS RANGE.

THANKS GUYS
 

CDRIVE

Joined Jul 1, 2008
2,219
i NEED TO BUILD A BASIC SWICTH BOX THAT LIGHTS A DC BULB WHEN I TURN IT ON.HOWEVER THE BULB SHOULD WORK BETWEEN 24V AND 60VOLTS AS I AM TESTING SOME UNITS THAT VARY WITHIN THIS RANGE.

THANKS GUYS
So you need a way to select the correct voltage for different lamps within that range?
 

mik3

Joined Feb 4, 2008
4,843
You can build a simple current source with a transistor as to have a constant current almost independently of the applied voltage across the bulb.
 
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