We have discontinued our MRD2 detector circuits with USB interface.
 
For detector circuits made for Arduino Uno and compatibles,
see the Arduino shield page.
 
To see which detector circuits are compatible with an s88 bus,
see the s88 decoder input wiring page.
 
To learn how to connect detector circuits to Digitrax LocoNet,
see the Loconet interface page.
 

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