Spring Switch

MRServo-1: Slow Motion Switch Machine

MRServo-1: Slow Motion Switch Machine
MRServo-1: Slow Motion Switch Machine MRServo-1: Slow Motion Switch Machine MRServo-1: Slow Motion Switch Machine MRServo-1: Slow Motion Switch Machine MRServo-1: Slow Motion Switch Machine
Brand: Iowa Scaled Engineering
Product Code: MRServo-1
Availability: 6 pcs  (What's this?)
Price: $12.00

6 or more $10.00
12 or more $8.00

Available Options


* MRServo Kit:

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MRServo FlyerMRServo is a low-cost, low-profile, slow motion model railroad switch machine. Using inexpensive and small RC servos, MRServo provides a cost-effective way to add slow-motion turnouts to your layout.  For accessory contacts, see MRServo-2.  For power routing applications, see MRServo-3 with its PowerFrog technology.

Three Versions for Different Applications

MRServo is available in three versions, to meet different needs and price points.

  • MRServo-1: Cost-effective, reliable slow motion turnout drive without auxiliary contacts
  • MRServo-2: Includes two sets of accessory contacts that switch based on turnout position
  • MRServo-3: Includes one set of accessory contacts and one set of PowerFrog contacts

Each kit comes complete with the fully assembled control board, servo, hardware, throw wires, and a piece of heavy-duty mounting tape.  A controller-only version is available if you want to provide your own servo and hardware.  A "Crossover" option is also available to control two turnouts simultaneously using a single control board (-1 and -2 versions only).

Installation

Instructions are provided in each kit and an installation tutorial can be found here.

Use With DCC Stationary Decoders

With a little extra circuitry, MRServo can be made compatible with most Digital Command Control (DCC) stationary switch machine decoders.  See details at "MRServo for DCC".

Dimensions

1.7"(L) x 0.5"(W) x 0.9"(H)

Customization

Need a slower or longer throw than the conventional MRServo design offers? We are able to customize the MRServo software to some extent and can provide custom-programmed units for a small fee. Email us and let us know your requirements, and we will be in touch about what we can do.

Instruction Manual
Schematic

The latest MRServo hardware design files and source code are now available at GitHub!

Typical Quiescent Current @ VDD=12V, servo not moving:

14mA (CNTL = GND)
22mA (CNTL = 12V or Floating)

MRServo is made available under license from Nathan Holmes and Michael Petersen. The design is released under the Creative Commons BY-SA license, and the source code is released under the GPL v3.

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The MRServo-1 is a component intended to be used in a larger system. Suitability for any particular application is the sole responsibility of the end user. The MRServo-1 is made available under license from Michael Petersen and Nathan Holmes. The design is released under the Creative Commons BY-SA license, and the source code is released under the GPL v3.
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