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12V Coin Meter Wiring Advice (Another Thread)
BobA:
Mountain is right. You relays feeding the ipac have both sides of the coil at GND when the no coin switch closes. The relay coils connections where the anode of your diodes are placed should go to +V. I was looking at the -V there and figured that the protection diodes were backwards. If you change to +V then the diodes are properly placed for protection. I always use 1n400* series for protection. Usually I have 4003 or 4004s around so that is what I use. I would use the isolation as I don't think the ipac is made for 12V since it is a 5V device.
whammoed:
Relays are overkill for this. You could do the same thing with properly rated transistors.
If you want to use relays and want a relatively plug and play solution I have this available:
http://www.nicemite.com/PowermiteDD/PowermiteDD.htm
(you would need the 2xLO version)
Just let me know if you want some extra diodes, they are cheap and I'll throw them in for free.
I may be putting together a product for this in the future that will handle up to 4 coin switches.
BobA:
Great little device Whammoed. :applaud: :applaud:
boomstick:
Cheers whammoed, interesting and usefull little solution you have their! Thanks for the offer.
I think i have it sorted with relay solution that will work now, just in the middle of soldering it up at the moment, so fingers crossed it should work. If not, i might well be in touch re your solution above.
If it works, ill post back with details
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