Track Transient Spike Detector - Circuit: Stan2004 - Added: Rod Stewart
Truck or railcar mounted Track Transient Spike Detector you can haul around your layout. Two Red LEDs will flash when a spike is detected. It is compact and easy to build, a great beginner project. Uses all Through-Hole Components and requires only a few parts. Gerber Files are included for PCB ordering.
Link to Thread: Gerber files for Stan 2004's Track Spike Detector and a Link Directly to Project Files Post