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=17240

The Circuit

 

For example like this: 8 ohm, .25 Watt

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

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

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

Comments

[Hsiang Ju]

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

[Order taking services]

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

Ben Cliff