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Greg is Chillin' With 50 Cent on His Tricked-Out Keyboard

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For Greg Ruhlander's complete instructions on how to build your own computer keyboard with integrated am/fm radio, click here .

Unable to function without his trusty portable am/fm radio at his side—especially while working—Greg hit upon the idea of integrating it directly into his computer's keyboard. The big plus is no batteries required since the keyboard powers the radio. Taking a standard keyboard and small, portable radio, he designed a simple voltage reduction circuit to step down the keyboard's 5V to 3V, and there you have it: a convenient combination of two items or a boombox for geeks.

Tricked Out Keyboard Parts List
Amt Part Description Allied Part #
1 Op amp, dual 288-1185
1 680 Ù resistor 296-5278
1 1K Ù resistor 296-5282
1 10K Ù resistor 296-5306
2 C1,C2 0.1 µF capacitor 862-2142
Additional parts required: Standard computer keyboard; small radio (auto or manual); phone jack
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