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Order the Chipcorder ISD 17240, and related parts. Bring to Next Class on Oct 7th.

Manufacturer's Homepage
http://www.nuvoton-usa.com/en/content/view/36/

Digikey Page:  [look at in class]
http://search.digikey.com/scripts/DkSearch/dksus.dll?Cat=2556441;keywords=1724028-DIP Pkg.

The Circuit

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For example like this: 8 ohm, .25 Watt

Also see the Digikey Page on Speakers Experiment a little with options..: Digikey Catalog Page


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1/8th in. audio jack: Digikey Part Number CP-3536-ND

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You also need:

0.1 uF caps  x 12ish
4.7 uF  x 2ish

A few of each on hand:
100K ohm resistor
1K
390
4.7 K

Posted at 01:07 PM in Reading |

Comments

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Hsiang Ju

what is oscillator resistor?
I don't know what kind of resistor should be put on pin20.

Posted by: Hsiang Ju | October 12, 2008 at 02:02 PM

Order taking services

Thanks for the link, I've been searching for that resistor.

Ben Cliff

Posted by: Order taking services | July 23, 2010 at 08:03 AM

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