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I'm looking for a local Electrical/Mechanical engineer to Simi Valley, CA that can translate a vibration or buzzing sound and display LED lights in different colors when that certain frequency is detected. The end product will be as small as possible and battery powered perhaps using a flex circuit. There will be a few functions for the device - 1 - similar to other devices that translate music to colored lights and 2 - turning on when a certain vibration is heard.
Persons with experience in prototyping, PCB design, DSP and LEDs would be best.
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