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An Engineer in Wonderland - Digging up a surprise (Electro-ramblings)

on February 12, 2010

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An Engineer in Wonderland - Digging up a surprise (Electro-ramblings): "An Engineer in Wonderland - Digging up a surprise

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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

Multimeter - Learn to use for Voltage measurements

https://youtu.be/k-Ib9f8CTGA

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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