Pololu Wixel User Manual download pdf (Page 4)

Wixel programmable USB wireless

module (without header pins installed).

Wixel programmable USB wireless

module (fully assembled).

1.a. Module Pinout and Components

The Wixel can connect to a computer’s USB port via a USB A to Mini-B cable [http://www.pololu.com/product/130] or a

USB A to Mini-B adapter [http://www.pololu.com/product/1126] (not included). The USB connection is used to configure

the Wixel and also to transmit and receive data. The USB connection can also provide power to the Wixel.

On the side of the board opposite the USB connector, the Wixel has a 2.4 GHz PCB trace antenna. This antenna, along

with the other RF circuitry, forms a radio that allows the Wixel to send and receive data packets in the 2.4 GHz band.

The Wixel is based on the CC2511F32 microcontroller from Texas Instruments, which makes it compatible with the

CC2500 transceiver, the CC2510Fx family, and the CC2511Fx family of chips from Texas Instruments. The Wixel’s

radio is not compatible with Wi-Fi, Zigbee, or Bluetooth. The antenna is a “meandered Inverted F” design that is

described in Texas Instrument’s application note AN043 [http://focus.ti.com/lit/an/swra117d/swra117d.pdf].

1. Overview Page 4 of 64

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Pololu Wixel User Manual Page 4