ProtoThrottle Receiver for NCE Cab Bus and Lenz XpressNet



This receiver connects the ProtoThrottle to an NCE command station or Power Cab* using the Cab Bus protocol or to a Lenz command station using the XpressNet protocol.  It receives the wireless signal(s) from multiple ProtoThrottles and communicates them directly to the command station over the Cab Bus.  The NCE fast clock time can also be sent to the ProtoThrottle for display on its LCD screen.

*Note: The ProtoThrottle does not work with the NCE Power Cab v1.1.  An upgrade chip can be purchased from NCE here.


3.5"(L) x 2.3"(W)


The complete gEDA design files are available on GitHub.

User Manual



Rev CEAA9C | Release Notes (9/3/2018)  Note: This release is currently Beta!

Rev 0F3D62 | Release Notes (06/24/2018)

Update Instructions

  • $99.00

  • 2 in stock

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News & Application Notes

What Are All Those Blinky Lights?

You may have noticed all those blinky lights on the ProtoThrottle and its receivers. Yes, Nathan and I are fans of LEDs on the stuff we build. There is a small coolness factor, but more importantly, for products going out into the wild, beyond our loving care (and our ability to see and touch them), these lights convey important information that helps the user – and us – debug problems when they arise. Below is a guide to what all those lights do and what they mean. To use and enjoy the ProtoThrottle, you certainly aren’t expected to know and remember all the information below. But things do sometimes go wrong, and we wanted to provide a reference guide to help in figuring out what happened. This should also help you understand why one of our first questions, when someone contacts us with a problem, usually involves us asking about those pesky little blinking LEDs…



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