Mainline Modeler Articles
This page contains pointers to web versions of the series of articles on model railroad electronic control modules which were published in Mainline Modeler magazine beginning in October 1993. Many of the modules described in this series are available as kits or assembled and tested circuits from TracTronics Incorporated. Prices and product descriptions are on-line on this web site.
The Articles
SwitchWitch control circuit for twin-coil switch machines.
SwitchLock control circuit for stall motor switch machines.
SwitchMap diode matrix control circuit.
DetectTrain current sensing train detector circuit.
BlockLock CTC block signal control circuit.
SeeTrain optical detector circuit.
MasterFlasher programmable flasher circuit.
Walkaround Throttle Upgrades for radio control of standard walkaround throttles.
AutoBlock and AutoSearch block signal driver circuits for Automatic Block Signaling.
WhichWay direction precedence circuit for Absolute-Permissive Block Signaling.
Advanced CTC Signaling using all the signaling circuits: DetectTrain, BlockLock, AutoBlock, AutoSearch, and WhichWay.
CoolerCrawler high-performance throttle.
Copyright 1992 - 2001 by TracTronics, Incorporated.
Last updated: June 25, 2001
These pages maintained by: Richard F. Weyand
Please send all comments/problems to: weyand@rcnchicago.com