David Smith

Optical Engine for 3D Printing and Measurement

by from Wintech Digital Systems Technology Corp.

This Solution is a hardware module.
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Modular Production Ready Optical Engine for 3D Printing and Structured Light Measurement Application.

About this Solution:

PRO4500 based on Texas Instruments' DLP4500 chipset, provides users with modular performance at an unprecedented price point. PRO4500's modularity allows for quick low cost modifications to key engine parameters such as the projection lens, LED, and DMD, providing a modifiable alternative to the LightCrafter 4500.

PRO4500 will accept various Luminus Devices LEDs including the CBT-39, PT-39, PT-40, and also RGB. An all glass 0% offset optical architecture was chosen and optical coatings are optimized for 381-650nm. Wintech extended the length of the projection lens barrel for easy field swapping of numerous projection lenses without the need for specialty tools.

Thermal management is provided by heat sinking and a fan, however liquid cooling adaptations are available. A wide range of projection lenses are currently available and custom lenses can be designed and fabricated in less than three months.

PRO4500 utilizes the DLP LightCrafter 4500 firmware and software, so any code developed previously on the LightCrafter 4500 can be easily ported to the PRO4500. PRO4500 also shares the same DLPC350 DMD driver with the LightCrafter 4500, so performance and control are identical.

PRO4500 will allow for 2,880Hz binary streaming frames per second and 120Hz 8-bit grayscale streaming frames per second over mini-HDMI. Predetermined patterns stored in the 32MB onboard memory provide up to 4,255Hz binary and 120Hz 8-bit grayscale frames per second.

PRO4500 multi-PCB stack was also designed with modularity as the top priority and is functionally equivalent to the LightCrafter 4500 control electronics. All system critical components are located on the DMD driver PCB, allowing for low cost electronics modifications to the LED driver PCB. The multi-PCB stack provides a mini-HDMI connection for data transfer, a USB connection for system control, and an I2C interface for LED control. Two camera input and two camera output triggers are included in the multi-PCB stack. Compatibility with the PandaBoard platform is provided by the Wintech NSP4500 interface board which also includes code to stream images over Ethernet.

PRO4500 is available in the following configurations:




  • RGB LED light engine with 150L light output
  • High speed pattern display with native DLP4500 resolution (912x1140)
  • Up to 4225 Hz binary pattern rate
  • Up to 120 Hz 8-bit grayscale pattern rate
  • Image or video display up to WXGA resolution (1280x800)
  • Simultaneous RGB LED operation
  • USB-based API and host GUI
  • Compact size: 210mm x 84mm x 54mm


  • Onboard LED Driver with 0-5A LED Driver
  • Two configurable I/O triggers with programmable polarity and rising & falling edge delay control
  • 32MB flash memory for pattern storage
  • USB, Mini HDMI, UART, FPD Link interfaces
  • Power Requirements: 12V DC, 6A


  • All glass optics
  • 0% offset architecture
  • Aspect Ratio 16:10
  • See above table for LED/Projection lens availability

If you are interesting or any idea in this optical engine, please feed free to contact me via HWTrek Q&A to discuss. Thanks.

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This Solution is most applicable for the following stages and categories:

  • All development stages
  • Industrial Applications
  • Toys & Games
  • Audio & Video Devices
  • Smart Home Devices
  • Auto Applications
  • Health Devices

Brought to you by David

Director of Sales and Marketing at Wintech Digital Systems Technology Corp.
ABOUT Wintech Digital System Technology:Wintech Digital Systems Technology Corp. is a DSP and DLP® Development Company that specializes in DSP development platforms and custom DLP® optical ...
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Solution Tech Tags

  • HDMI
  • USB
  • Camera
  • DC Power
  • Image Sensors
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