Subject:
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Re: NXT remote control by Power Functions handset
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Newsgroups:
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lugnet.robotics, lugnet.technic
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Date:
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Mon, 8 Mar 2010 09:24:18 GMT
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Viewed:
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5502 times
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Hi Jürgen,
> Nice idea!
>
> W.r.t. the warning against using an NXT to PF converter:
>
> You could try adding a Schottky diode in the power supply line
> to protect the 4.3V supply of the NXT against somebody connecting 9V.
> The question is whether it still works with the even lower voltage
> caused by the diode.
Yes, that should work, placing it in the converter. Current in the receiver used
as a sensor is very low, so the voltage drop in the Schottky would be low too.
Maybe it would need some trimming of resistors values.
Philo
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