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Bluefruit EZ-Link

SKU: BT1588
Bluefruit EZ-Link - Bluetooth Serial Link & Arduino Programmer - v1.3

Availability: Out of stock

$22.95

SKU:BT1588

Product Description

    Details

    The Bluefruit EZ-Link is a regular 'SPP' serial link client device, that can pair with any computer or tablet and appear as a serial/COM port (except iOS as iOS does not permit SPP pairing). But unlike any other BT module, the EZ-Link can automatically detect and change the serial baud rate. That means if you open up the COM port on your computer at 9600 baud, the output is 9600, 57600? 57600. And even 2400. All the most common baud rates are supported: 2400, 4800, 9600, 19200, 38400, 57600, 115200 and 230400. You will never have to configure or customize the module by hand - it automatically happens inside the RF module.

    The EZ-Link has another impressive feature: the DTR/RTS/DSR flow control pins are automatically synced to the computer serial port. What this means is that if the computer sets the hardware flow control DTR or RTS pins high or low, the pins on the bluetooth module will follow. If the DSR input pin is brought high or low on the EZ-Link, the computer can detect that as well.

    This Bluetooth module can change baud rates on the fly and toggle the DTR pin as desired. Now we have a way to program an Arduino (or compatible) from 10 meters away, completely wirelessly, with no extra software, custom hardware, odd firmware hacks or modified firmware. In fact, you can use the Bluefruit as a sort of 'wire free' FTDI-like cable with any device that has an FTDI re-programming port. You can use the serial console as well. This package includes the necessary 1uF capacitor between the DTR and reset pin.

    Works great with Mac and Windows computers. Linux is not supported at this time.

    Two RX/TX indicator LEDs have been added so you can tell when data is sent & received as well as a connection status pin. When the paired computer opens up a UART connection, the status pin goes high, letting the micro-controller know that it can now expect data to be sent and it's also OK to send data to the computer.

    Each EZ-Link + Extras pack includes one ready to go and assembled EZ-Link board, with FCC/CE/RoHS certification. We also include a 6-pin right angle female header and a stick of 6-pin extra-long male header. You will likely want to solder the female header into the center of the board so you can use it like an FTDI-cable but we left you the option of wires, or other kind of header. We also tossed in a JST connector. The JST connector can be soldered on the back (optional) to connect a Lipoly battery for portable projects. If the JST is used, the battery can also power the micro-controller that the EZ-Link is plugged into.

    We also have this design in an Arduino-ready shield form-factor

    TECHNICAL DETAILS

  1. Dimensions: 20.4mm / 0.8" x 41mm / 1.6" x 4mm / 0.2"
  2. Weight: 4.35g

    Revision History

  3. On April 15, 2014 we updated to v1.1 of the firmware, which fixes MacOS X compatibility.
  4. On Aug 12, 2014 we updated to v1.3 of the firmware which fixes the 2-hour timeout if you do not pair within 2 hours. There is no longer a timeout.

    Shown connected to an Arduino Uno, Breadboard and base which are not included:

Additional Information

    Additional Information

    SKU BT1588
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