C25 - Smooth Stepper Terminal Board

C25 - Smooth Stepper Terminal Board

Availability: In stock



We have a new version of this card, the C25S with is smaller, comes with easy to use push-lock terminals, and uses the exact same circuits as the older C25 board.

This card provides an easy way of interfacing your inputs and outputs from you parallel port. It provides terminals for the connections and conditions the signals for use in CNC applications

 This board serves as a basic breakout board for the Smooth Stepper Board.


  • 34 Inputs and Outputs on 2 ports.


  • Full access to all the pins of the Smooth Stepper Board.


  • Connects directly to the Smooth Stepper (from Warp9). The board is provided with sockets that allow the Smooth Stepper Board to be plugged directly into this board.  No ribbon cables required.  When using the Smooth Stepper board there is no need to use an additional power supply to power the board. It will draw power from the Smooth Stepper board.


  • Built-in Passive Low Pass Filters for the all inputs. This board includes low pass filters to reduce the effect of the noise from the drivers or other devices over the inputs signals.


  • All TTL 5VDC signals.  Interface directly with parallel port interface products and other CNC4PC cards. 5VDC (TTL) cards are very common among automation devices.


  • Input and output pins with close by ground connections. Forget about grounding problems. Easily connect your pin by using your close by ground connection. No need to be an electronics expert to ground all your stuff.


  • Screw-On connections for all terminals. You only have to screw-on the wires to make all your connections.



Manufacturer CNC4PC

Customer Reviews

Review by Andrew Baker
Fairly well built board - I don't see any major problems. It would have been nice if the smoothstepper could mount directly under it or on cables, since firmly mounting the combination of this board and the smoothstepper is going to be awkward. Also, the board only has two mounting holes. For the enormous number of pins and wires, it really should have some more mounting holes, and it really should have come with two stand-offs to secure it to the smoothstepper. Again, for the price, its great. (Posted on 11/15/2008)


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