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General Scanning Discussion - For general questions not specific to a model of scanner or general discussion of use of a scanner. Manufacturer specific posts should be directed to the appropriate forums below and location specific posts should go in the appropriate regional forum..

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Old 11-27-2012, 3:26 PM
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Cool embedded RR board

Wondering if this would be a viable invention. You could build a circuit board that has two audio line-in inputs for multiple scanners. You then could have an Ethernet port that broadcasts to radio reference. You could even get fancy and include serial ports for remote scanner control.

You would connect into the device through your web browser, there would need to be an embedded web server. To setup your audio inputs, Radio Reference username and password. The whole idea would be to have a low-power PC-less way of updating your feeds. Since radio reference uses MP3's they make hardware MP3 encoder IC chips. You could even use an FPGA to implement a bulk of these functions on a single chip.

Summary of device:
2 Audio Inputs circuitry to feed anMP3 Encoder chip
Microprocessor, ram, SD Card with update-able software (linux or an RTOS?).
Ethernet Interface (could even use wireless but this would not be as efficient/stable)
DB9 Serial Interface
Configurable through a embedded web server

I imagine this could be implemented for less than $30. And probably save you that much in a year of use.

I guess the only kink is that the Scannercast software is the only way you can send audio to your feed.Just an idea. Thoughts?
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