- Published in issue 2/1990 on page 53
The digital model train (11)
THE DIGITAL MODEL TRAIN PART 11 - THE MONITOR UNIT by T. Wigmore The monitor unit enables the system to read signals frorn, tor in- stance, the rails. This makes it possible to determine the position of any train at any one instant. Monitor units..This article is one from our 90s collection, the articles are downloadable as a PDF for all our members. Although the information we have on the website is a little less rich than you have become used to since 2000, the articles themselves are still a good read. Please enjoy the professionally designed, easy to build circuits that were considered the latest developments in electronics and information technology at the time they were written. In most cases they have stood the test of time pretty well.