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Reply to "Insulated Rail Relay Based Sensor"

Questions... questions... questions...

BWRR posted:

I have some questions

what is the correct jumper to use, what I have works but fits poorly

A standard .1" .025 square post jumper is what the posts are sized for.

Is the Power on the board DC?   if so what voltage and total amps could be supplied.  I am wondering about stealing a little for other things

The regulator is 12 volts.  Note that the filter cap is really sized for the job, if you wanted any significant power (more than a few ma), you'd probably want to add a capacitor at J2.  If you intend to draw more than about 20-30 MA, you'd also probably need a heatsink on the regulator.

I understand that cap can be added to increase delay.  Is there a way that the relay could be made to come on when train comes into the section, but only stay on for a set duration?  Say 500 milliseconds.   What I want to do is parrot a button push.

Not with the present design, this was really intended as a signal driver for the insulated track.

...

 Opps one more question

I soldered with rosin core solder, should I clean the board?  If so how should I do it

I use 91% or 99% Isopropyl Alcohol for my board cleaning.  I use an old toothbrush to do the cleaning.

 

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