Put USB to work in your designs with USB Complete: The Developer’s Guide! This book bridges the gap between the technical specifications and the real world of designing and programming devices that connect over the Universal Serial Bus. This is Ladyada’s favorite protocol book, and is great at explaining USB at a low level.
As the most versatile computer interface around, USB can handle just about any peripheral function you can think of, but it also has a lot of complexities. Rather than just an RX and TX of raw data, USB has differential signals, 4 types of data transfers, and a structured request/response command set.
Readers will learn how to:
Select the appropriate USB speed, device class, and hardware for a device
Communicate with devices using Visual C#
Use standard host drivers to access devices, including devices that perform vendor-defined tasks
Save power with USB’s built-in power-conserving protocols.
Create robust designs using testing and debugging tools.
USB 3.1 and other recent additions to the interface bring higher speed, more power, reversible connectors and more. Advances in chip hardware and tools ease the tasks of devloping devices and the software to access them.
In its fifth edition author Jan Axelson has updated the content throughout to reflect the latest in USB technology, standards, devices, and software.
Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, or even use Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for MakeCode, CircuitPython, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.
Python for Microcontrollers — sysfs is dead! long live libgpiod! libgpiod for linux & Python running hardware @circuitpython @micropython @ThePSF #Python @Adafruit #Adafruit
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