[sdiy] Electronics class for kids

[Terry Shultz]

Hello Monserrat,

Would you like some crystal radio kits?

I may be able to get some more at a pretty reasonable discount as my wife runs 11 schools in the area.

She has pretty good resources for such activities.

Best regards,

Terry Shultz

DSP/arm audio technology and applications
Thx1138 at earthlink.net

Sent from my iPad

On May 21, 2013, at 4:07 PM, Monse Lozano <panfilero at hotmail.com> wrote:

> Thanks for the good info, sure I'll keep you posted on how it goes, I plan on posting some of the projects and videos online.
> 
> 
> ________________________________
>> Date: Tue, 21 May 2013 11:42:27 -0700 
>> Subject: Re: [sdiy] Electronics class for kids 
>> From: harlan.foster at gmail.com 
>> CC: panfilero at hotmail.com; synth-diy at dropmix.xs4all.nl 
>> 
>> Monse- 
>> I have a handful of links that may be of use - all with affordability 
>> and accessibility in mind, many of the circuits you'll find from these 
>> links lend themselves well to experimentation. 
>> 
>> Some very cost effective stuff in this book by Nicholas Collins: 
>> http://www.amazon.com/Handmade-Electronic-Music-Hardware-Hacking/dp/0415998735 
>> 
>> The Atari-Punk-Console has a lot of bang for the buck (article links to 
>> schematics): 
>> http://en.wikipedia.org/wiki/Atari_Punk_Console 
>> 
>> Also, the world of Lunetta synths has plenty to offer on the 
>> simple/cheap side - Single sided power, mostly CMOS chips: 
>> https://docs.google.com/document/d/1V9qerry_PsXTZqt_UDx7C-wcuMe_6_gyy6M_MyAgQoA/edit 
>> The Lunetta synths are primarily aimed at cheap modular (not V/Hz 
>> scaled) synth modules, but simple standalone devices can also be 
>> constructed - LFO + VCOs from a single IC and a few pots, resistors, 
>> and capacitors. If you have the kids breadboarding, there is plenty of 
>> room for experimentation here, and then taking it to strip board is 
>> pretty simple. 
>> 
>> Also, consider the Beavis Audio page on CMOS synths, also has some good 
>> links at the bottom, including a (legal) downloadable PDF abridged 
>> version of Nicholas Collins' book I listed above: 
>> http://www.beavisaudio.com/Projects/CMOS_Synthesizers/ 
>> 
>> And, for audible reference, here is a CMOS based audio drone circuit 
>> I've been working on - there are three chips at work here, with a 
>> materials cost of about $1.00 US: 
>> https://soundcloud.com/tengu-23/dronehive-test-3-svf-and-saw 
>> While the dual-sided power supplied, temperature compensated synth 
>> circuits are formidable (and musically precise) I think there is plenty 
>> of interesting sound to be had by coaxing digital circuits into analog 
>> audio roles. 
>> 
>> Back in the day, I used to teach several after school art programs for 
>> kids from 5 to 16 (difficult range to work with, in general!) I've 
>> wondered about teaching electronics in a similar setting, I for one 
>> would be interested in hearing how this project goes. 
>>> Harlan
>> 
>> 
>> On Tue, May 21, 2013 at 10:57 AM, David G Dixon 
>> <dixon at mail.ubc.ca<mailto:dixon at mail.ubc.ca>> wrote: 
>> Very worthy project, Monse. Please check out this website (known 
>> colloquially as MFOS): 
>> 
>> www.musicfromouterspace.com<http://www.musicfromouterspace.com> 
>> 
>> I'm sure there will be tonnes of stuff there that you can use for the class. 
>> Perhaps they can collaboratively build an MFOS Weird Sound Generator. 
>> 
>> 
>>> I am about to start an after school programs to teach 6th-8th 
>>> graders basic electronics and I would like to incorporate 
>>> some audio synth type circuits into the class. I was 
>>> wondering if anyone could give me any suggestions for cool 
>>> noise making projects? I'm not very familiar with 
>>> synthesizer design, I've been reading up on it a bit and 
>>> started putting together a simple sawtooth generator, the one 
>>> with an integrator and a comparator, where the output ramps 
>>> up until the comparator shorts the integrator's cap and 
>>> discharges it. I'm looking for simple circuits like this, 
>>> I'm not worried about correcting non-linearities or 
>>> temperature compensation, just noise makers to get the kids 
>>> interested.
>> 
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