Wireless usb connections - Madcatz ps3 wireless gamepad - Fellowes wireless keyboard.

Wireless Usb Connections

wireless usb connections
    usb connections
  • (USB (Universal Serial Bus) Connection) Most digital cameras connect to a computer and transfer image files with either a serial connection or a USB connection. Serial connections are generally slower than USB connections. USB connections may not be found on older computers.
  • (USB connection) Universal Serial Bus (USB) is a specification to establish communication between devices and a host controller (usually personal computers), developed and invented by Ajay Bhatt while working for Intel. USB is intended to replace many varieties of serial and parallel ports.
  • (USB Connection) USB is a type of connection for electronic devices and computer accessories. In a car, it usually means that you can plug your iPod/MP3 player into your car's stereo and play it through your car's speakers. Increasingly common.
  • having no wires; "a wireless security system"
  • transmission by radio waves
  • Lacking or not requiring wires
  • radio: medium for communication

Wireless Accelerometers
Wireless Accelerometers
These are prototypes of my wireless accelerometer-based MIDI controller. It's been (off and on) in the works since... 2005? The device on the lower right is the receiver which formats the 10-bit X-Y accelerometer data into MIDI controller messages. These can be mapped to control any sort of effects or virtual instruments. The LEDs on the board brighten and darken the RGB channels in response to the board being tilted to add visual feedback. Board communicate over a 2.4GHz Nordic-based wireless link, and the refresh rate for the MIDI broadcasts is about 20 times per second, making it a fairly responsive controller. The link can also be turned around to control the LEDs on the boards via wireless. I've built units that will control these from a PC (over a 250Kbit USB serial connection) or DMX. Each board has a 3V Lithium battery, and a charging circuit to plug it in an recharge from a USB hub. Stuffing options allow a single-sided 8-LED version, or a double sided version with 4 LEDs per side. The LEDs are Nichia NSSM016As, and are driven by Maxim constant-current drivers so they don't dim as battery life decreases.
usb mini programmer to xbee-right
usb mini programmer to xbee-right
The connections needed to connect a Mini USB Serial Programmer, pictured on the left, to an XBee radio, pictured on the right and mounted on a breakout board. This configuration is also needed if you plan on using Digi's X-CTU software to flash the XBees and upgrade their firmware.

wireless usb connections
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