Wireless Bluetooth RS232 TTL Transceiver Module

http://www.dealextreme.com/p/wireless-bluetooth-rs232-ttl-transceiver-module-80711

Characterisques

 * Wireless Bluetooth RS232 TTL transceiver module
 * Allows your target device to both send and receive the TTL data via Bluetooth technology without connecting a serial cable to your computer
 * Easy to use and completely encapsulated
 * Chipset: CSR BC417143 http://www.csr.com/products/technology/bluetooth
 * Bluetooth V2.0
 * Working voltage: 3.3V
 * Current: pairing 20~30mA, connected 8mA
 * User defined Baud rate: 1200, 2400, 4800, 9600, 19200, 38400, 57600, and 115200
 * Default serial port setting: 9600, N, 8, 1
 * Password: 1234
 * Suitable for: mouse, keyboard, joystick; computers and peripherals; GPS receiver; instrument and industrial control

Dimensions: 1.06 in x 0.51 in x 0.04 in (2.7 cm x 1.3 cm x 0.1 cm) Weight: 0.18 oz (5 g)

Links

 * CSR BC417143 http://www.csr.com/products/technology/bluetooth
 * Datasheet CSR BC417143 BGQ K103AB
 * http://www.datasheetarchive.com/BC417*%20CSR-datasheet.html
 * Datasheet http://www.sure-electronics.net/rf,audio/GP-GC021_Ver1.0_EN.pdf
 * Datasheet + Examples http://www.egochina.net.cn/e-shop/ebay/datasheet/Bluetooth_Module_L6.rar
 * AT Commands http://www.cutedigi.com/pub/Bluetooth/BMX_Bluetooth_quanxin.pdf
 * Soudure http://picasaweb.google.com/Cellbots/BluetoothModule#
 * Arduino
 * http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1256669791
 * http://www.dealextreme.com/forums/Default.dx/sku.80711~threadid.897457

Connections
(pad with golden dot next to it is pin 1):
 * 1: TX (data out)
 * 2: RX (data in)
 * 11: RESET (connect to ground to reset, pullup-resistor of 10K recommended)
 * 12: VCC (3.3V)
 * 13: GND
 * 24: LED output (ON when there is a connection, BLINKS when there isn't).
 * 26: KEY ????

Applications

 * Amarino