am having a problem connecting a Digitrax PR4 Programmer to a Macbook. I am wondering if this is a known problem, or if it has been solved. The latest info I have found online is from 2021. I am using ...

The new Digitrax DS74 can control up to four turnouts or eight LEDs. You can also connect switches and occupancy detectors. It is about 1/3 the size of its predecessor, the DS64. Allan Gartner photo I ...