Simple Colour Organ

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This is a simple, one lamp colour organ. It is far less complicated then the Three Channel Colour Organ. It is simply a lamp controlled by an SCR. It can be built in a few minutes, and combined with other circuits to make some pretty neat effects.

Schematic

Parts

Part	Total Qty.	Description	Substitutions
R1	1	500 Ohm Pot
T1	1	500 Ohm/500 Ohm Matching Transformer	1K/1K Matching Transformer
SCR1	1	C106Y SCR	106B, Teccor S2003LS1
L1	1	10-100 Watt Lamp
MISC	1	Case, Board, Socket For L1, Line Cord

Notes

L1 can be any 10-100 Watt lamp.

R1 adjusts sensitivity. The greater the resistance, the less sensitive the colour organ becomes.

Since this project is powered by 120 VAC, it must be installed in a case.

You can also use the Teccor S2003LS1 SCR for SCR1. These give better sensitivity and brightness than the C106Y units.

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Comments

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anonymous Simple Colour Organ Wednesday, November 26, 2008 8:57:15 AM

What type of mic should be used? Any?? Pre-amp???

paul Simple Colour Organ Monday, August 18, 2008 4:48:47 PM

teh mic connects to the unused side of the matching transformer, as the mic changes the inductive field of the transformer, the secondary coil then changes the bias of the triac...

anonymous Simple Colour Organ Monday, July 09, 2007 3:09:20 AM

How would sound activation be integrated into this circuit? ex. sound in mic = to patterns in lightbulb

OSAMA1 Simple Colour Organ Wednesday, May 30, 2007 4:32:37 AM

VERY GOOD

TheScience Simple Colour Organ Thursday, May 10, 2007 6:49:24 AM

The secret to understanding electronics is to understand each part and what role it plays in the circuit. Of each thing you see in a circuit, ask: "What to I expect to put in and what will this device do with it." If you can answer that, the circuit is self-explanitory. If not, educate yourself. Don't expect everything to be handed to you with a ribbon.

lowlife Simple Colour Organ Friday, May 04, 2007 5:51:23 PM

cool

anonymous Simple Colour Organ Saturday, March 31, 2007 9:49:25 PM

its gud project but u should provide discription of its working

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anonymous	Simple Colour Organ	Wednesday, November 26, 2008 8:57:15 AM
What type of mic should be used? Any?? Pre-amp???
paul	Simple Colour Organ	Monday, August 18, 2008 4:48:47 PM
teh mic connects to the unused side of the matching transformer, as the mic changes the inductive field of the transformer, the secondary coil then changes the bias of the triac...
anonymous	Simple Colour Organ	Monday, July 09, 2007 3:09:20 AM
How would sound activation be integrated into this circuit? ex. sound in mic = to patterns in lightbulb
OSAMA1	Simple Colour Organ	Wednesday, May 30, 2007 4:32:37 AM
VERY GOOD
TheScience	Simple Colour Organ	Thursday, May 10, 2007 6:49:24 AM
The secret to understanding electronics is to understand each part and what role it plays in the circuit. Of each thing you see in a circuit, ask: "What to I expect to put in and what will this device do with it." If you can answer that, the circuit is self-explanitory. If not, educate yourself. Don't expect everything to be handed to you with a ribbon.
lowlife	Simple Colour Organ	Friday, May 04, 2007 5:51:23 PM
cool
anonymous	Simple Colour Organ	Saturday, March 31, 2007 9:49:25 PM
its gud project but u should provide discription of its working