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Pełna wersja: Lan controller damaged by lightning
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hello!
The house was struck by lightning and destroyed LAN Controller. :?
All the functions on LC work, except input for 1-wire temp. sensors ( DS18B20 ).
Does not detect any sensor ( even new one no.... )
I wonder how I can fix this input. I wonder whether the input is protected by a zener diode or optocopler ?

Thankyou.

Regards from Slovenia!
Hi
1-wire input is protected by ds9503(mounted under Rj12 connector) http://radio-hobby.org/uploads/datasheet...ds9503.pdf , check it