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Old 5th December 2006, 10:59 AM   #1
tubenut is offline tubenut  South Africa
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Default Tuning LED a la Tivoli

Hi all

I would like to put a nice blue LED on a "Eveready Power Blaster" FM battery radio for my little boy. There is plenty space in the case and they sound OK, not like my Tivoli but that cost 25x...

Anyway, I then wondered, how hard would it be to add the orange tuning LED like on a Tivoli radio?

I know my way around some amps and CD machines but RF/tuners hold lots of mistery.


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Old 6th December 2006, 10:40 AM   #2
sreten is online now sreten  United Kingdom
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Hi,

I would assume its a case of the chip having a drive pin for the LED,
and if so what has been done with it. If the chip has no relevant pin
then there is nothing you can do to derive the drive.

/sreten.
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Old 8th December 2006, 05:33 AM   #3
tubenut is offline tubenut  South Africa
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Thanks sreten

Downloaded the data sheet, it is an Atmel "portable radio" on a chip. Has the LED driver, I will probably also acivate its soft mute and add an input for IPOD as there is a tape input pin to the audio pre amp and use the socket switch for input switching selection.

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