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blinking lights in bachmann two truck shay

Started by jsinger0420, June 16, 2019, 10:22:21 AM

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jsinger0420

Can someone identify the component that is used to provide the blinking lights in the ash pan and firebox of the Bachmann two truck shay?  I don't think its an LED but not it doesn't look like a regular bulb either so not sure what it is.  Also, how many volts does it take to make it blink?

thanks.


Greg Elmassian

right, but the blinking is caused by a circuit, which is a modified  monostable multivibrator if I remember correctly.   ;D

The LED does not cause the blinking.
Visit my site: lots of tips and techniques: http://www.elmassian.com

Joe Zullo

Quote from: Greg Elmassian on June 19, 2019, 11:49:29 AM
right, but the blinking is caused by a circuit, which is a modified  monostable multivibrator if I remember correctly.   ;D

The LED does not cause the blinking.

Oh sure. Everybody knows that!  ::)

Greg Elmassian

Visit my site: lots of tips and techniques: http://www.elmassian.com

A Trainman

Greg said...
The LED does not cause the blinking.

Au contraire,
I purchased these and installed them in a modified Big Hauler. I put a 1k ohm resistor is series of each led and connected, through a switch, directly to 14.4v battery power.

https://www.ebay.com/itm/20-x-LED-5mm-Red-Candle-Flicker-Ultra-Bright-Flickering-LEDs-Light-Model-Prop/161110488690?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649

They look great!

Adam