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Electrical
Fixed Price: Less than $500   |  Posted: Apr 27, 2015  |  Ends: 13d, 23h  |   10 Proposals
Hello, I am an electronic circuit designer needing thermal assistance with a heating element. I have designed of the electronic control circuitry, but the thermal end is out of my expertise. My goal is to first calculate the power required, second - source manufacturing for the element. The project is a coffee mug (think mobile travelers mug). The requirements are to maintain beverage at 175F. Not heat the beverage from ambient, the beverage will all ready be 175 when poured into the cup. I need real math to calculate how much power (wattage) is necessary to maintain this temperature. Again, not heat, need the lowest power maintain. Final element will be running off of 3.7VDC I am looking for math not assumptions, or guess. If you have any manufacturing contacts / suggestion this would also be helpful. Thank you
Category: Electrical       

r****ics
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| r****ics
|    United States
Fixed Price: $1,000 - $5,000   |  Posted: Apr 23, 2015  |  Ends: 9d, 11h  |   18 Proposals
Hello, My name is John and I need someone who can create a heating pad and an electronic control unit to operate the device. The heating pad will fit inside a garment and the control unit will too. I want to look at a rechargeable battery and wall-powered configurations. Please contact me at your convenience. Best, John
Category: Electrical       

J****L73
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| J****L73
|    United States
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