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Black Light


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


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

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:

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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