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· Super Modulator
22,858 Posts
The Airwire PWM freq is pretty low, many people report buzzing noise from motor. Not well liked by coreles motors.

By the way, unless I missed it in someone's post, using a 7812 1 amp regulator to run motors ... ahh... well... will melt down... unless your motors and lights are under one amp, which they aren't ... you have to forget the series regulator idea, unless it's just for a few lights... you need a heat sink and a fan to get an amp from the 7812 inside a closed loco...

Regards, Greg
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