Involvement:General (knows how to use it) - Ownership:1 week to 1 month
This is such a cheap board to buy in the first place and it's a real bonus that it comes with breakout pins and a compatible cable. Connecting the board up is as simple as swapping connections between tx and rx between board and arduino and connecting +5v and grn to arduino board. From there, it's a doddle to send and receive serial data to/from the Arduino.
There are no cons at all. However, I couldn't get the board to recognise any AT+ commands, but I am certain that it's my own stupidity that hampers me here, so do not be put off.
I have found it easy to write little programs to turn on and off LEDs remotely on the Arduino. I have some other peripherals arriving shortly, such as relays and Ethernet shield, so I should be able to get the kettle boiled from my iPhone before long!
Bottom line is that this is really a no-brainer. It's so easy to get working and seems to have a good range and reliability that I cannot see any reason not to buy this, if you're after an Arduino-compatible bluetooth module.
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