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SparkFun Electronics will be closed in observance of memorial day on Monday, May 29th. We will resume normal business hours on Tuesday, May 30th. Any orders placed after 2pm Mountain Time on Friday, May 26th will process and ship out on Tuesday, May 30th.

Member #23623

Member Since: August 29, 2007

Country: United States

  • I believe the USB spec allows the host to supply up to 100 mA for “unknown” USB devices. For recognized devices (i.e., the host OS has a driver for it), the host can supply up to 500 mA.

No public wish lists :(