The Pololu Wixel is a general-purpose programmable module featuring a 2.4 GHz radio, USB and TTL serial support. It can be used as a wireless serial link between a PC and a microcontroller or between two microcontrollers. Similar to Xbee but more versatile and cheaper!
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The Pololu Wixel 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:
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! Pololu 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.
Wireless PC control of a 3pi robot using a pair of Wixels.
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.
| Size: | 0.7" x 1.5" |
|---|---|
| Weight: | 3.2 g1 |
| Processor: | CC2511F32 @ 24 MHz |
|---|---|
| RAM size: | 4096 bytes |
| Program memory size: | 29 Kbytes |
| User I/O lines: | 15 |
| Minimum operating voltage: | 2.7 V2 |
| Maximum operating voltage: | 6.5 V |
| Reverse voltage protection?: | Y |
| External programmer required?: | N |
| Partial kit?: | Y |
Refer to Pololu's resources page for the Wixel for up to date information
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