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REES 40100-002 RED PILOT LIGHT 120V FULL VOLTAGE CONTROL UNIT NEW |  |
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US $34.00 | 20d 17h 55m |
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Voltage Control
How do you control voltage?
I want to control the amount of volts i am using for my science fair...for example if I want a constant 45 volts how would I do that? is there A device I can conect to like 6 9volt batteries that would allow a constant output of 45 volts? please include the names of any devices and the websites where they can be found....thx
It's called a voltage regulator. 45V is an already difficult voltage to deal with. While not lethal, it can already hurt you if you touch it. Few electronic circuits operated on 45V or more will tolerate abuse, so you have to be careful and also have a few spares of your parts, just in case.
I would probably use three 15V regulators in series, i.e. two 9V batteries plus a 15V regulator like the 7815 to make stable 15V and then use three of these circuits in series.
http://www.onsemi.com/pub/Collateral/MC7800-D.PDF
Don't forget the capacitors on input and output! They are important.
And keep in mind that the regulator has a quiescent current which will drain your batteries even while you are not using it! A typical 9V battery will have 200mAh or so. With the regulator needing roughly 5mA, it will be empty in roughly 40 hours!
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REES 40100-002 RED PILOT LIGHT 120V FULL VOLTAGE CONTROL UNIT NEW | |
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US $34.00 | 20d 17h 55m |
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SEG voltage controlled demonstration
What is the lowest voltage on my heli control then change it? It has 4 AA.?
Common problem, just change out the batteries, if that is your question, because I wouldn't try to change it. Take care.
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