Wixel Programmable USB Wireless Module

Pololu Wixel Programmable USB Wireless Module
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Price: £14.52
(£12.10 + VAT)
Stock Quantity: 26
Model: WIXEL
Manufacturer: Pololu
Average Rating: Not Rated

Pololu

Wixel Programmable USB Wireless Module

The Pololu Wixel Programmable USB Wireless Module is a general-purpose programmable module featuring a 2.4 GHz radio and USB. You can write your own software or load precompiled, open-source apps onto the TI CC2511F32 microcontroller at the heart of the Wixel, turning it into a wireless serial link, data logger, or whatever you need for your current project. With 29 KB of available flash and 4 KB of RAM, the Wixel is even suitable as the main controller for a robot or other system. This version ships 0.1" male header pins included but not soldered in, allowing for custom installations.

The Wixel is based on the CC2511F32 microcontroller from Texas Instruments, which has an integrated radio transceiver, 32 KB of flash memory, 4 KB of RAM, and a full-speed USB interface. A total of 15 general-purpose I/O lines are available, including 6 analog inputs, and the 0.1" pin spacing makes the Wixel easy to use with breadboards and perfboards. These features give you three main ways to use this general-purpose module:

  1. Directly connect the Wixel to a PC to create a wireless USB dongle.
  2. Add USB connectivity to your project via the Wixel.
  3. Add wireless capabilities to a remote, self-powered device.

A single Wixel can be used as a computer-interface device, such as a USB-to-serial adapter, and it can even serve as the main controller for your system. Connecting the Wixel to a computer requires a USB A to mini-B cable (not included). Two or more modules are required to take advantage of the Wixel’s wireless capabilities.

The Wixel features a built-in USB bootloader that can be used in conjunction with our free Wixel Configuration Utility software to upload custom programs or precompiled, open-source apps to the Wixel (no external programmer is required). Our growing selection of free apps lets you turn the Wixel into whatever you need for your current project. No programming experience or compiler software is required to use these apps: simply download a different app to reuse the Wixel in your next project! We plan to release additional apps in the future for wireless AVR/Arduino programming, wireless sensing, wireless motor driver interfaces, and more. Read more about the available apps…

Advanced users can modify apps to suit the needs of their specific projects, and the apps serve as examples for programming the CC2511. The Pololu Wixel SDK Repository on GitHub is the central location for obtaining source code and sharing modifications with the community.

The Wixel as a Wireless Serial Port

Our Wireless Serial App turns a single Wixel into a USB-to-serial adapter and a pair of Wixels into a wireless USB/TTL serial link for communication between two microcontrollers (like an XBee link) or between a PC and a microcontroller. Among many other things, you can use this versatile app to enable communication between two robots or to remotely monitor or control a robot from a computer. Using an RF bit rate of 350 kbps, the serial app is capable of transmitting or receiving up to 10 KB of data per second and can reach a range of approximately 40 feet (under typical conditions indoors), and multiple serial links can be used simultaneously on different channels.

Wixel Programmable USB Wireless Module Features

  • Full-speed USB
  • 2.4 GHz Radio with 256 available channels that can be configured dynamically
  • Programmable through USB bootloader (no external programmer required)
  • Pre-compiled, open-source apps available
  • Wixel SDK for developing your own applications in C using open source tools and libraries
  • 0.1" pin spacing (compatible with standard breadboards and 0.1" perfboards)
  • 3 indicator LEDs
  • 15 user I/O lines, featuring 6 analog inputs, 2 USARTs (for serial or SPI), and 7 timer channels (capable of PWM)
  • 4 KB of RAM and 29 KB of application program memory (flash)

Specifications of the Wixel Programmable USB Wireless Module

  • Operating voltage: 2.7 – 6.5 V
  • Operating current: up to approximately 30 mA (can get down to ~100 μA when in sleep mode)
  • Radio
    • Frequency: 2400 – 2483.5 MHz
    • Range: approximately 40 feet (under typical conditions indoors)
    • Bit rate: programmable, up to 350 kbps
    • Effective data rate: up to 10 KB/s
  • Size: 0.7" × 1.5"
  • Weight without header pins installed: 3.2 g

Documents relating to the Wixel Programmable USB Wireless Module

Pololu Wixel User’s Guide
Wixel Windows Drivers and Software (release 110322) (12007k zip)
Wixel Development Bundle for Windows (version 110322) (9393k exe)

Recommended links

Wixel SDK Documentation
The Wixel SDK contains source code (for libraries and applications) that will help you develop your own applications for the Wixel. This SDK is included in the Wixel Development Bundle.
Pololu Wixel SDK Repository on GitHub
This is where we publish the latest Wixel SDK code and documentation, and it is the central location for sharing source code with the Wixel community.
CC2511F32 datasheet and technical documents
Website for the CC2511F32, a microcontroller from Texas Instruments that features a 2.4 GHz radio transceiver, 32 KB of flash memory, and a full-speed USB interface. This is the microcontroller used on the Wixel.
SDCC – Small Device C Compiler
This is a free compiler that is used to compile the code in the Wixel SDK. This compiler is included in the Wixel Development Bundle.

 

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Wixel Programmable USB Wireless Module
Click to enlarge
Wixel Programmable USB Wireless Module
Click to enlarge
Wixel Programmable USB Wireless Module
Click to enlarge
Wixel Programmable USB Wireless Module
Click to enlarge
Wixel Programmable USB Wireless Module
Click to enlarge
Wixel Programmable USB Wireless Module
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