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Design an LED circuit for manufacture
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Engineering & Manufacturing > Electrical

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The client has made the following changes to the job.

Description
Date

Job awarded.

Aug 13, 2011
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Job Description

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  • Posted: Sun, Aug 07, 2011
  • Time Left: Closed
  • Location: Anywhere
  • Client prefers freelancers from:
    Anywhere

    You are still able to submit a proposal for this job.

    The client prefers freelancers from
    a different location.

    You're still able to submit a proposal for this job, regardless of your location.
  • Start: Immediately
  • Budget: Less than $500
  • Fixed Price Job
  • Elance Escrow Protection
  • W9 Not Required
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Design an LED circuit for manufacture with the following functions

Function:
blue LED light lights up for 30 seconds every 15-20 minutes
light LED light also lights up for 30 seconds if unit is inverted, upside-down
per unit cost under $3-$4/each for quantity of 20,000 units

Some aspects of the specification:
3" circular footprint, less than 1" height
Blue LED light (1 or 2)
Tilt switch
Microcontroller or analog approach to achieving the function specified above
Battery life of ~6 months with 3V Li batteries in parallel or 9V

Deliverables:
Circuit diagram
PCB Layout (Eagle or other)
Firmware (if needed)

Please submit your bid with a description of how you would approach this project, your experience, & list with links to similar projects/products you have designed for manufacture.
If you also have the ability to source the finished design please let me know. I am planning on bidding that out as a separate project but it will be an advantage if you also have this capability.
-...

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Job ID: 25560427
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