Grayhill, Inc.

- Grayhill, Inc. is a leading manufacturer of electronic components including, optical and mechanical encoders, rotary switches, joysticks, surface mount and thru-hole DIP switches, rotary DIP switches, toggle switches, standard & custom keypads, custom operator interface front panels, I/O modules, and mounting racks. 

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Digi-Key’s library of more than 1700 exclusive PTM Online… On Demand® product training modules is a collection of training tools created with you – the busy design engineer – in mind. They are provided with the cooperation of participating supplier partners. From this one source, you can learn about the latest products and technologies, download datasheets, check inventory, contact our technical staff, and place an order for same-day shipment.

These modules are available in audio and non-audio formats and listed by supplier in easy-to-find alphabetical order. Simply locate the module that interests you and click on your format of choice. We hope you find these tools useful, and with new modules added continuously, we invite you to stop back often to see what’s new.


Product Training Modules Online...On Demand® is a registered trademark of Digi-Key Corporation.


Updated PTM = Updated Product Training Module - PTM        New PTM = New Product Training Module - PTM

Module NamePreviewAudioNon-AudioDurationParts List
  • Input/Output Devices
Play2.2MB889KB15 minParts List
  • Keypads
Play4.5MB2.2MB20 minParts List
  • Optical Encoder
Play3.2MB1.0MB20 minParts List
  • Rotary Switches & Mechanical Encoders
4.8MB1.4MB20 minParts List

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T2 Multi-Touch Control WheelT2 Multi-Touch Control Wheel - The Grayhill T2 Model MTCW expands the Grayhill family of Instinct™ Touch Technology software and Human Interface Devices (HIDs) for use with OEM electronic equipment. The T2 control wheel offers an expanded array of multi-touch sensor data options to the company’s family of HIDs. Multi-Touch gestures are becoming a highly popular means of controlling contemporary equipment in areas such as medical imaging, gaming, industrial control, off-highway equipment and more. However, the T2 MTCW can be used in any application where instinctive and intuitive finger movements initiate a variety of commands.  More...

More about Grayhill, Inc.

Grayhill, Inc. is a leading designer and manufacturer of customized operator interface solutions, switches, and electronic components. These products include control panels, keypads, rotary switches, optical and mechanical encoders, joysticks, pushbuttons, I/O modules, racks, and DIP switches.

Since its founding in 1943, the privately held company has been committed to providing top-quality solutions for a wide range of applications in the defense, aerospace, medical, agriculture, construction, automotive, and electronics industries. Grayhill products are available directly or through a world-wide network of independent sales representatives and stock-holding distributors. With headquarters in the Chicago metropolitan area and manufacturing sites located in Illinois, Wisconsin and Shen Zhen, P.R.C. (China), Grayhill is well positioned to service its customers around the world.

Grayhill’s team has the engineering, development and manufacturing expertise to deliver both standard and customized products quickly and cost-effectively. They are committed to continuously improving engineering and manufacturing capabilities that already include:

  • RoHS and traditional Sn/Pb solder processes
  • BGA-capable SMT board population equipment
  • wave solder
  • in-circuit testing
  • flying probe circuit tester
  • automated conformal coating/RTV dispensing
  • thermally-conductive epoxy dispensing
  • anisotropic conductive film bonding
  • dome contact placement
  • vacuum leak detection
  • burn-in chambers
  • optional HASS testing

The Grayhill team


Grayhill takes pride in having been the first in field to achieve ISO 9001 certification (BVQI84530), SPC manufacturing techniques and qualification to MIL-Q-9858. The company was also the first switch manufacturer to achieve Preferred Supplier status among the leading computer and communications companies. Grayhill has also received Professional Lab Accreditation for its EMC Test Lab by the American Association for Laboratory Accreditation (A2LA). The laboratory meets the requirements of ISO/IEC 17025.
Grayhill, Inc.
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