[Cumulus] Some Cumulus experiences

Hendrik Hoeth hendrik.hoeth at cern.ch
Thu Aug 4 11:46:32 CEST 2011


Thus spake Peter Turczak (peter at turczak.de):

> While building my own adapter for the N810 I stumbled across the same
> problem. When the current of the adapter is _not_ current limited the
> Nokia devices will consider it a "special" cable. See
> http://www.herjulf.se/solar/charge-station/Nokia_2-mm_DC_Charging_Interface_Specification_v1_2_en.pdf
> for details. The N810 expects a source resistance of about .5 Ohms. I
> cracked open a cheap 3rd party charger and found a .56 Ohms/1W
> resistor in line with the +5 Volts ;).

That's good to know. Thanks for this bit of information!

-- 
A man without a dream in his heart already has one foot in the grave.


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