Helping you negotiate the challenges of embedded software, system and instrumentation design

Helping you negotiate the challenges of embedded software, system and instrumentation design

Laser Etch Controller

Problem:

A manufacturer of optical and laser systems asked us to develop a new generation laser etching system. It needed to be based on a hand-held device with an easy to use pen-based application. The application had to control laser power levels, selection and editing of marker shapes and editing of galvanometer parameters. To meet these requirements we developed both a Windows Mobile 5.0 application running on a HP iPaq and an embedded system module. The multi-threaded Windows application features a series of easy to use custom tabbed dialogs for laser control, marker editing and system configuration. The application communicates via a BlueTooth link to a custom embedded system utilizing a Silicon Lab's microprocessor for lower-level laser and galvanometer control. Video can also be sent back from a camera mounted on the microscope for visual feedback.

Custom embedded system utilizing a 100 MHz C8051F120 with A/D, D/A, opto I/O, RS-232 and BlueTooth module providing communications, stepper motor control, and laser firing control.

Solution:

To meet these requirements we developed both a Windows Mobile 5.0 application running on a HP iPaq and an embedded system module. The multi-threaded Windows application features a series of easy to use custom tabbed dialogs for laser control, marker editing and system configuration. The application communicates via a BlueTooth link to a custom embedded system utilizing a Silicon Lab's microprocessor for lower-level laser and galvanometer control. Video can also be sent back from a camera mounted on the microscope for visual feedback.

Results:

Researchers find the system invaluable for cutting-edge cell targeting at hundreds of research facilities throughout the world, including the Americas, Europe, and Asia.


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