FREE SHIPPING ON ALL DOMESTIC ELECTRONICS ORDERS OVER $125 and Australia, Canada, New Zealand and UK orders over $250!
MRCS is your home for Open Source electronics for Model Railroad Operations. We offer Open Source hardware and software to help you operate your Railroad as prototypically as you like.
Our cpNode system is an updated, completely open, layout control system based on the popular and proven CMRI system (introduced by Dr. Bruce Chubb in 1984).
see our new Products and Services Brochure
We also welcome open source designs from community contributors
The following warning applies to most products on this site
CALIFORNIA PROPOSITION 65 WARNING
WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
(California law requires this warning to be given to customers in the State of California)