Re: Coach Lighting

Flash Gordon
 

John,

If this is what you have:

http://www.ebay.com/itm/5M-300Leds-Cool-White-3528-SMD-LED-Non-Waterproof-Flexible-Strip-12V-/321305664422?pt=US_Car_Lighting&hash=item4acf4f5ba6


They are set up for 12V DC with a resistor built in every 3 LED's.  No diode included.

I use these on my pontoon boat and they work well.  They are very bight on a car battery, we look like a party boat... well we are LOL.

 I have extras that I plan to cut. You can cut them every 3 LEDs. there is a spot to solder new leads.

For others interested these come in different colors and lengths plus you do not need the water proof ones.

But realize they expect to see 12V DC  so you need add another resistor for DCC and a diode. I use a diode bridge and a battery, not a capacitor.

Ed S






At 05:13 PM 1/30/2014, you wrote:
 

John, Be sure to take a look at http://www.wiringfordcc.com/gorhlite.htm#a17 to get a grasp of the basic concept of using a simple capacitor for carry-over energy storage, but with the resistor & diode trick to limit charge-up current from the DCC track.

I�m curious to see what you find inside the LED strip. Some of the cheap LED pocket �flashlight� circuits are really crude as they rely on coin-cell battery impedance to limit current. I have seen 120Vac �xmas� lights wired with a bunch of LEDs in a series string with a simple resistor and another series string connected in the opposite direction. Net result is a 60/50Hz �dazzle� from the LEDs.

DonV

 

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