Kenneth Smith
UNITED STATES OF AMERICA • + Follow
Description
3 Rail Block Detector x 10
This project is used in 3 rail o-gauge train layouts to detect when a train is in a specific block of track. This is accomplished by using an isolated outside rail and when the axle of the train completed the circuit will de-bounce input and switch independent output circuits. This is usefully in automatic crossing gates, signal, semaphores and more. by having the relays isolated the same block can trigger multiple relays activating multiple accessories with different voltage requirements.
Schematic and Layout
Screenshot 2024-01-20 at 10.48.31 PM.png
Jan 21,2024
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3 Rail Block Detector x 10
2 Layers PCB 72.4 x 175.3 mm FR-4, 1.6 mm, 1, HASL with lead, Green Solder Mask, White silkscreen
Block Detection Circuit for O gauge three rail train layouts
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Published: Jan 21,2024
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