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complete light system with day/night switching


Here is the picture of a complete Day/Night switching light using the LED modules and a day/night switching modules.

This avoids inductors, gives constant current down to 10.5 volts and uses a unique system to control the 3 LED PCBs. All modules will be available through my website soon.

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Annunciator

Design & Development of Annunciator . For a California based Company redesigned their annunciators around modern technology. The annunciators could handle 1 to 128 input modules with inputs to display from 8 to 1024 zones. The original full analog design was simplified with a single main PCB with a powerful microcontroller and multiple smaller PCBs with smaller microcontrollers, Analog & Digital inputs and outputs. PC based Software was developed to configure the system for multiple parameters. The duration of the project was 8 months.Test jigs were replicated at both places (USA & Goa, India).