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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.


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.
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


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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