Adafruit Bluefruit EZ-Link - Bluetooth Serial Link & Arduino Programmer - v1.3

Adafruit Bluefruit EZ-Link - Bluetooth Serial Link & Arduino Programmer - v1.3 info

Adafruit Bluefruit EZ-Link - Bluetooth Serial Link & Arduino Programmer - v1.3 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 here is where it gets exciting: unlike any other BT module, Adafruit Bluefruit EZ-Link - Bluetooth Serial Link & Arduino Programmer - v1.3 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. All the most common baud rates are supported: 2400, 4800, 9600, 19200, 38400, 57600, 115200 and 230400. You never have to configure or customize the module by hand - it all happens completely automatically inside the RF module.

Adafruit Bluefruit EZ-Link - Bluetooth Serial Link & Arduino Programmer - v1.3 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. 

You can use Adafruit Bluefruit EZ-Link - Bluetooth Serial Link & Arduino Programmer - v1.3 as a sort of 'wire free' FTDI-like cable with any device that has an FTDI re-programming port. It works great, and you can use the serial console as well. This package includes the necessary 1uF capacitor between the DTR and reset pin.

Adafruit Bluefruit EZ-Link - Bluetooth Serial Link & Arduino Programmer - v1.3 works great with Mac and Windows computers. Linux is not supported at this time.
There are two RX/TX indicator LEDs 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 microcontroller know that it can now expect data to be sent and it’s also OK to send data to the computer.

Bluefruit EZ-Link - Bluetooth Serial Link & Arduino Programmer - v1.3 - General Specifications

• Can pair with any computer or tablet (except iOS) and appear as a serial/COM port.
• Automatically detects and changes the serial baud rate.
• DTR/RTS/DSR flow control pins are automatically synced to the computer serial port.
• You can use the Bluefruit as a sort of 'wire free' FTDI-like cable
• Works great with Mac and Windows computers. Linux is not supported.

Bluefruit EZ-Link - Bluetooth Serial Link & Arduino Programmer - v1.3 - Technical Specifications

• Dimensions: 20.4mm x 41mm x 4mm
• Weight: 4.35g

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Adafruit Website: https://www.adafruit.com/products/1588