668-1 3: Z-Stuff DZ-1012 Block Detector+Relay Automatically Controls 2 O-Gauge Trains On 1 Mainline from red signal 47 Watch Video
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⏲ Duration: 39 min 45 sec ✓ Published: 11-Nov-2018
Description: * This Part 1 (recommended method) shows a Z-Stuff DZ-1012v Infrared Block Signal Detector and Z-Stuff DZ-1008 Relay automatically controlling two 3-rail O-gauge trains on the same track -- using the