Article
The Universal Serial Bus (USB) (2)
Transfers and Drivers
In the first part of this article we looked at the electrical characteristics of the USB standard. In this part we investigate the software and protocols used with this interface. Also included is a practical programming example.When any new device is first plugged in to the USB connector, it will signal its presence to the hub by pulling up one of the two data wires of the USB cable. Next comes the following sequence of events: ...
Gerber file
CAM/CAD data for the PCB referred to in this article is available as a Gerber file. Elektor GREEN and GOLD members can exclusively download these files for free as part of their membership. Gerber files allow a PCB to be produced on an appropriate device available locally, or through an online PCB manufacturing service.
Elektor recommends the Elektor PCB Service service from its business partner Eurocircuits or AISLER as the best services for its own prototypes and volume production.
The use of our Gerber files is provided under a modified Creative Commons license. Creative Commons offers authors, scientists, educators and other creatives the freedom to handle their copyright in a more free way without losing their ownership.
PCB
Discussion (0 comments)