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Electronic welder

on May 12, 2012

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DC-DC Converter

Efficiency is as high as 95% Circuit has short circuit protection, overheating protection function 10k to adjust potentiometer, adjust the output voltage Maximum output voltage: DC 228V Switching frequency: 1.2MHz Maximum current output: 2A

Electronics for an Electric Boat

Built around a Lynch Motor, the boat system is designed to provide speed and direction control. The motor is regenerative and regenerative braking is used. All parameters including rpm, temperature and torque are measured and logged for analysis. A USB interface is provided to connect to a PC. The PC Software can be used to configure limits for rpm, temperature and battery voltages.

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).

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