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.

Schematic

PCB Layout and Parts Placement

Parts

Part	Total Qty.	Description	Substitutions
C1	1	0.0047uf Mono Capacitor
C2	1	0.1uf Disc Capacitor
D1, D2	2	1N4007 Diode
FTB	1	Filtered Blacklight Tube
IC1	1	555 Timer IC
P1	1	10k Trim Pot
Q1	1	TIP30 PNP Power Transistor
R1	1	470 Ohm Resistor
R2	1	270 Ohm Resistor
S1	1	Slide Switch
T1	1	Medium Yellow Inverter Transformer
MISC	1	IC Socket, Heat Sink For Q1, Screw, Nut, Wire and PC Board

Notes

P1 changes brightness of the black light tube.

Transformer T1 and the blacklight tube are available from The Electronics Goldmine (see "Where To Get Parts"

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Comments

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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)

anonymous Black Light Sunday, March 29, 2009 12:43:38 AM

could this be used with a color organ?????

Louis Black Light Sunday, September 28, 2008 10:32:09 PM

Why do barbers use black light for storage of hair clippers?

anonymous Black Light Saturday, February 09, 2008 5:30:43 AM

hahahaha same one as in Electronic Games 4 the Evil Genius :D

anonymous Black Light Monday, December 31, 2007 7:31:07 AM

i dont get what this thng is?

anonymous Black Light Tuesday, November 27, 2007 10:29:37 PM

who invinted th black light

Marie 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.

anonymous Black Light Monday, October 29, 2007 4:30:02 PM

What is a black light

anonymous Black Light Thursday, October 18, 2007 5:00:35 AM

Why buy one from the shop? That's just boring, it's much more interesting to make your own.

anonymous Black Light Sunday, September 16, 2007 9:54:18 AM

nice . wht i thought so long to design

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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)
anonymous	Black Light	Sunday, March 29, 2009 12:43:38 AM
could this be used with a color organ?????
Louis	Black Light	Sunday, September 28, 2008 10:32:09 PM
Why do barbers use black light for storage of hair clippers?
anonymous	Black Light	Saturday, February 09, 2008 5:30:43 AM
hahahaha same one as in Electronic Games 4 the Evil Genius :D
anonymous	Black Light	Monday, December 31, 2007 7:31:07 AM
i dont get what this thng is?
anonymous	Black Light	Tuesday, November 27, 2007 10:29:37 PM
who invinted th black light
Marie	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.
anonymous	Black Light	Monday, October 29, 2007 4:30:02 PM
What is a black light
anonymous	Black Light	Thursday, October 18, 2007 5:00:35 AM
Why buy one from the shop? That's just boring, it's much more interesting to make your own.
anonymous	Black Light	Sunday, September 16, 2007 9:54:18 AM
nice . wht i thought so long to design