Current limt resistor for reset?
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Hi All,
I have looked around, and havent seen anyone using a current limit resistor
on the reset button. This project will be used by students. I just want to
make sure I shouldn't put one here to protect against students holding down
the reset button too long.
Many thanks,
Jonathan
www.madlabs.info
I have looked around, and havent seen anyone using a current limit resistor
on the reset button. This project will be used by students. I just want to
make sure I shouldn't put one here to protect against students holding down
the reset button too long.
Many thanks,
Jonathan
www.madlabs.info
Comments
jpeakall@m... writes:
I have looked around, and havent seen anyone using a current limit resistor
on the reset button. This project will be used by students. I just want to
make sure I shouldn't put one here to protect against students holding down
the reset button too long.
Many thanks,
Jonathan
www.madlabs.info
I think Jon Williams has been recommending 220 ohms
[noparse][[/noparse]Non-text portions of this message have been removed]
You need current limiting resistors on pins that
could be outputs -- could try to drive ground to
+5, or could try to suck +5 to Ground. This never
happens on an input pin.
> In a message dated 8/22/2003 9:55:44 AM Pacific Daylight Time,
> jpeakall@m... writes:
>
> I have looked around, and havent seen anyone using a current limit
resistor
> on the reset button. This project will be used by students. I just
want to
> make sure I shouldn't put one here to protect against students
holding down
> the reset button too long.
>
> Many thanks,
>
> Jonathan
>
> www.madlabs.info
> I think Jon Williams has been recommending 220 ohms
>
>
> [noparse][[/noparse]Non-text portions of this message have been removed]