Programmable Motion Sensor
 for BrightSign® Digital Sign Controllers

The Motion Advantage

Redefining Interactivity

Let's face it; any display that loops a video program is pretty dull. Just imagine a sign that is aware of its surrounding and can actually break the ice with nearby viewers and take control of the situation.

Giving your displays this almost human-like quality is just one of the many things you can accomplish using the MD755, a motion sensor designed exclusively for BrightSign interactive display controllers. With it, you can directly trigger events within a presentation that you've created using BrightAuthor.

Instantly, your displays go from being boring to being intriguing giving it a clear advantage over the competitor's signage. Here are some of the more popular MD755 applications:

  • Trigger play lists and other presentations
  • Dynamically control audio levels
  • Power management of unattended displays
  • Traffic-based playlist decisions
  • Create branches in a presentation
  • Activating mechanical attractions

MD755 and BrightAuthor

All you need to manage, create, and publish presentations to work with the MD755 is contained in BrightAuthor, where you can easily produce those one-of-a-kind presentations that catch potential viewers off-guard and effectively deliver the message. Learn more about BrightAuthor and download it Free.


The MD755 offers three dedicated GPIO channels for triggering playlist items and one input line used to control the sensor:

  • GPIO-0 : Button 0 - Button Down emulation
  • GPIO-1 : Button 1 - Real-time Output
  • GPIO-2 : Button 2 - Sensor Reset
  • GPIO-5 : Button 5 - Button Up Emulation

Any combination of Button events can be applied to playlist items and can be combined with a other interactive event triggers such as touch-screen, universal datagram protocol (UDP), to implement more complex presentations and playlists.

Sensor Technology

The MD755 uses technology that can distinguish movement even in highly active environments with a range of 5 meters (~ 16 feet). Detection accuracy and performance is enhanced through a design that can distinguish between false detection signatures and actual movement.

Precise Detection Zones

Motion is detected when a body enters a cone-shaped hotspot having greater side-to-side coverage than top-to-bottom. This detection pattern makes is easier to define the active detection zone and greatly improves triggering predictability.


Real-Time Triggering

The GPIO-1 channel transmits a real-time signal representing detected motion and is always available regardless of whether or not the sensor is triggered, enabled, and/or has entered the hold state. Mechanically, GPIO-1 emulates a pushbutton that is being pressed and released in unison with the room motion.

Unlike the other trigger outputs, GPIO-1 has no hold time prior to rearming i.e., the duration of the button push and release, is as long as the motion itself. With no hold time, every successive detection pulse acts as an individual trigger.

The MD755's real-time output is a good indication of the amount of viewer traffic and can therefore be interpreted as the number of visitors that are passing by your display. In this respect, real-time motion triggers can be applied in a variety of presentations where transitions are based on the volume of viewer traffic.

Simple, Flexible Integration

The MD755 is designed to install easily onto new or existing BrightSigns with minimum mounting hardware. Best of all, no additional power is required; simply plug the sensor into the player's GPIO port and boot your presentation. To suit a variety of application requirements, the MD755 is available in three versions:

  • 755-STD - Offers quick installation/removal using adhesive strips
  • 755-FLG - Uses fasteners and mounting hardware
  • 755-PCB - Circuit board assembly for custom Integration

Custom Integration

The MD755-PCB offers a compact, low-cost way of anonymously integrating motion detection directly within your custom enclosure applications. Functionally, the sensor assembly is identical to the externally mounted versions with the exception of having no protective case. Behind-panel mounting of the sensor also helps protect it from being damaged or vandalized.

The basic assembly includes the sensor board, interconnect cabling, and recommended mounting hardware. When ordering you can choose various cabling options and connection styles to fit your needs.


The MD755 is compatible with any interactive BrightSign controller including models: HD410, 810, 1010, and 1010W as well as the newer interactive models: HD120, HD 1020, XD1030, XD1230 and 4K series.

Case Styles


The tabs on the flanged style case allow the sensor to be mounted either above or behind a panel.

The standard sensor quickly attaches directly to any suitable surface using Velcro adhesive strips.


Custom Integration


The MD755 is available modularly allowing for internal integration of the sensor-Ideal for custom displays and kiosks.


Order Online



Documents are in Adobe Acrobat PDF format.

Technical Drawings

MD755-STD - standard case.
MD755-FLG - flanged case
MD755-PCB - panel mounting details
Cabling and Connectors
Sensor Board Drill hole template
Coverage versus Distance

User Guides

 MD755 User Guide*
MD755 Mounting Examples
MD755 Application Examples
Quick-start Guide

*Look for new version 5/1/15


BrightAuthor User Guide v4.1


Marchetti Engineering Group
650 N Main Street
Leominster, MA 01453

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© 2015 Intellisign/Marchetti Engineering Group

Specifications subject to change without notice.