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Monday, August 16, 2010

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
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

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