USB Host Shield library r2.0 supports USB hubs so you can use a hub as a power source, see link at the end of this thread -> http://arduino.cc/forum/index.php/topic,64693.0.html I checked with both Nexus S and Nexus One, they work well.
USB Host Shield library r2.0 supports USB hubs so you can use a hub as a power source, see link at the end of this thread -> http://arduino.cc/forum/index.php/topic,64693.0.html I checked with both Nexus S and Nexus One, they work well.