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Author Topic: DC Motor/light control via parallel port  (Read 3157 times)

viridius

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Re: DC Motor/light control via parallel port
« Reply #10 on: July 07, 2006, 08:23:30 PM »

Well, if you do need a higher current than the 200mA that a bipolar can provide, I suggest going with an N-channel logic level power MOSFET.  Those suckers can drive several amps and can be driven straight from CMOS or TTL circuits.
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trials_modder

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Re: DC Motor/light control via parallel port
« Reply #11 on: July 07, 2006, 09:42:17 PM »

Thanks for the reply, but that component description may as well have been in some foreign language. All I need is some simple component that will lower the voltage and will not overheat/explode..
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viridius

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Re: DC Motor/light control via parallel port
« Reply #12 on: July 08, 2006, 03:21:08 AM »

Lower...the...voltage?  Perhaps you are getting this confused with your other thread?
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trials_modder

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Re: DC Motor/light control via parallel port
« Reply #13 on: July 08, 2006, 11:08:56 PM »

Yes, I am. I meant that I wanted to make sure the diode could handle the current from a motor and block any reverse current without being damaged.
Now that I think about it, I wonder if there is a better way, aside from parallel and serial ports, to control several transistor switches. USB seems to be more common, and I could use the 5v to power the switches as well. Only thing is, USB doesn't have all the pins laid out and easy to wire. I'd like to control the switches in Java - a prototype of my current parallel port board can do it. In fact, if there were a way to do it via wireless Internet (wireless router?), that would be awesome.
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trials_modder

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Re: DC Motor/light control via parallel port
« Reply #14 on: July 09, 2006, 08:25:37 PM »

Yes, I've read that a Linksys wireless router can be turned into a client. Therefor, if there was some circuit that could control pins that can be plugged into the ethernet port and act as a client to the router, I could control pin fuctions over a wireless network. I'd just have to make sure it could be connected to, say, a campus wide network and then I could control it any where on campus  :lol:
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