Woops - That should be "a pullup on the D+ and D- lines." RP 2009/12/2 Richard Prosser : > IIRC the Ipod nanos require a pullup to the +5V line (or preferably > +3V3). Something like 47k-100k did the job. Could be the blackberry is > the same. > > RP > > 2009/12/2 YES NOPE9 : >> My Blackberry 9530 Storm ( which is the worst cell phone I have ever >> owned ) will charge it's battery via the USB port when I use a >> Kensington power adapter which has a USB port. =A0The BB will also >> charge with it's supplied USB charger. >> >> I built my own USB power adapter which supplies =A05V to the correct >> pins. =A0The Blackberry does not charge. =A0The only difference I can >> imagine is that the data + and - lines make some difference. =A0My >> adapter leaves these lines unconnected. =A0I don't know what the >> Kensington does. =A0I have measured the 5V and it looks okay when loaded. >> >> Any ideas ? >> >> Gus >> -- >> http://www.piclist.com PIC/SX FAQ & list archive >> View/change your membership options at >> http://mailman.mit.edu/mailman/listinfo/piclist >> > -- = http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist