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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 that is capable of supplying 1 or more amps.

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Theoritical Diagramm

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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
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.