I’m building a new O scale railroad for the Little Buckeye Children’s Museum. Most O scale railroads, including ours, use 3 rail track. For several reasons, and without going into a long explanation, I am deviating from normal practice and putting DC on the rails. One way of actuating flashers at a …

Model train crossing signals

w8wer September 27, 2021, 1:43am 10

After you mentioned opto isolators earlier, I already decided to go that way, 4N36 probably.

Topic		Replies	Views
Railway project: Power from tracks General Guidance	31	11885	May 5, 2021
Safely connecting a relay board to external power supply General Guidance	18	22111	May 5, 2021
Arduino controlled model trains Interfacing	10	15124	May 6, 2021
Send a "0V" signal? (Ground?) General Electronics	7	5963	May 6, 2021
Pannello di controllo di un trenino elettrico Generale	38	13775	May 7, 2021