Homemade 21-pin DCC Decoder Tester

[@SheltonDCruz]

Any instructions on how to make it?

[@kunalchangoiwala7474]

Can you kindly share the circuit diagram and build details? Thanks

[@tomjenssen7486]

Excellent piece of kit. Great work. All the best...Tom

[@csxbaltimoresubdivision7746]

Great video, that was a great idea thanks for sharing.....

[@northlanderdude]

Kool