DCC Block Detector - Smaller version - R2

by TirazEnt.
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2 layer board of 2.06x0.99 inches (52.35x25.04 mm).
Shared on April 14th, 2016 10:10.

A block occupancy detector for a DCC model railway layout. This design is based on the schematic that is published here: Block Occupancy Detector For DCC Or AC by R. Paisley.

The components required for this board are as follows:

  • LM393
  • 1N5400 * 2
  • 1N4148 * 2
  • Red LED
  • 4N33
  • 220 Ohms * 2
  • 4.7K Ohms
  • 10K Ohms * 2
  • 6.8K Ohms
  • 1M Ohms
  • 2.2K Ohms
  • 10uF/25V * 2 Capacitor
  • 2.2uF/25V

The locations for all these are marked on the board so it should not be too hard to put together.

  • Smaller version.

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