Circuitron 800-5501 BD-1 Optical Detector Layout Wiring DCC Medium Plug with 1

DCC Medium Plug with 1 ‘ Harness

015" Shims - 20 Each

Woodland Scenics BR5845 O Scale Built Up Structure - Country Store Expansion

It will work tethered with any NCE system

Use it for wind and water erosion examples

Circuitron 800-5501 BD-1 Optical Detector Layout Wiring DCC Medium Plug with 1Circuitron 800 5501 BD 1 Optical Detector Tiny Opto Sensors detect train movement. Sensors mount between the rails and activate circuitry when shaded from a passing train. Independent of track power, rolling stock requires no modifications. Sensors fit between ties and may be ballasted over in most cases. Circuitry is extremely sensitive and will operate properly under very low levels of room light. Positive indication whenever a section of a layout