Black Light

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This circuit is a simple ultraviolate light that can be powered by a 6 volt battery or power supply (such as the power supply on the "Circuits" page) that is capable of supplying 1 or more amps.


This is the schematic of the Black Light

PCB Layout and Parts Placement

This is the parts placement and printed circuit board layout for the Black Light


Total Qty.
C110.0047uf Mono Capacitor
C210.1uf Disc Capacitor
D1, D221N4007 Diode
FTB1Filtered Blacklight Tube
IC11555 Timer IC
P1110k Trim Pot
Q11TIP30 PNP Power Transistor
R11470 Ohm Resistor
R21270 Ohm Resistor
S11Slide Switch
T11Medium Yellow Inverter Transformer
MISC1IC Socket, Heat Sink For Q1, Screw, Nut, Wire and PC Board


  1. P1 changes brightness of the black light tube.
  2. Transformer T1 and the blacklight tube are available from The Electronics Goldmine (see "Where To Get Parts"

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Black Light
Thursday, April 07, 2011 12:17:31 PM
can i sat a remote control for ordinary tube light how. explain with videos step by step please
Black Light
Friday, March 12, 2010 9:47:25 AM
I've heard that it's impossible to find T1. To make one self, you have to wind: Primary:3t 0.375 mm magnetic wire Secondary:175t 0.15 mm magnetic wire on a toroidial core
abdul hadi
Black Light
Sunday, September 06, 2009 10:31:21 AM
to louis :the barbers put the scissors and trimmer in the ultra voilet light to sterilize them so prevention of disease this is compulsory in some countries ..(mine one too)
Black Light
Sunday, March 29, 2009 12:43:38 AM
could this be used with a color organ?????
Black Light
Sunday, September 28, 2008 10:32:09 PM
Why do barbers use black light for storage of hair clippers?
Black Light
Saturday, February 09, 2008 5:30:43 AM
hahahaha same one as in Electronic Games 4 the Evil Genius :D
Black Light
Monday, December 31, 2007 7:31:07 AM
i dont get what this thng is?
Black Light
Tuesday, November 27, 2007 10:29:37 PM
who invinted th black light
Black Light
Friday, November 02, 2007 12:20:10 PM
How long does a stain remain that can be seen under black light? Is there any reference materials on this fact.
Black Light
Monday, October 29, 2007 4:30:02 PM
What is a black light
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