Bluetooth Stereo Bridge

bluetooth mouse

[Chris] had made a sturdy mount in his car for his iPAQ. He uses the iPAQ for directions and playing mp3s. After nearly ripping apart his line-in cable every time he took the iPAQ out of its cradle he decided to create a wireless solution. He chopped up a pair of HP FA303A Bluetooth headphones to extract the receiver portion. The headphone’s band is prone to breaking so it might be possible to find a damaged pair for cheap. The receiver was placed into an old mouse. Once the buttons were hooked up to the mouse buttons and a voltage regulator added the unit was ready to start streaming audio directly to the stereo.

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The Magic Phone: Take Two


We’ve posted Part Two of the Magic Phone How-To over at Engadget. In this Installment, we show you the process behind creating the custom circuit that will live inside the rotary phone. This circuit is as small as possible by making it two-sided and by using surface mount components. Part One of the How-To covered number pad matrix decoding on just about any phone or number pad.

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