Quote:
Originally posted by pHaestus
How many bananas are we talking about for parts?
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Depends.
If the circuit provides an output voltage proportional to the CPU's current draw, I'd say parts cost could be kept between $50 and $100.
If the circuit provides an output proportional to Wattage, I'd guess more like $100 to $150.
But at this point, these are really rough guesses. I think those are conservative numbers, but not enormously conservative. I realized today that I probably have a pile of obsolete circuit boards I can pull some, if not all, of the OPA-2227's from. That could make a significant dent in the parts costs. There may be a lot of other potentially useful parts I can scrounge. I'll have to take a look around at people's junk stashes at work to see what I can get for free.