SensorBit-C Sneak Preview

Here’s a sneak preview of the SensorBit-C!

The SensorBit-C is a CT-coil current-based block detector board for DCC layouts.  It comes in two flavors:  the SensorBit-C with a built-in coil and the SensorBit-CW, with a connector for a remotely mounted CT coil (included).


  • Open collector output
  • Two models: Built-in or remote CT coil
  • Compact size (less than 2 square inches)
  • Low power (less than 20mA)
  • Works on 5-12V DC power supply
  • Adjustable sensitivity and release time delay (0-5 seconds)
  • 150mA sink current on detect output
  • Onboard detect LED and connection for remote LED
  • Compatible with Modular Signal System (MSS)

SensorBit-C with built-in CT coil



SensorBit-CW with remote CT coil



I’m working on a version with a high-current relay output, and another with an onboard coil but screw terminals for the track bus for easy retrofit onto existing layouts.

The SensorBit-C isn’t available just yet, but stay tuned…

In the meantime, let me know what you think!

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