[CLUG-tech] 'tis the season

Jeremy Thurgood jerith at jerith.za.net
Mon Dec 10 11:01:55 SAST 2007


David Peall wrote:
>> -----Original Message-----
>> From: clug-tech-bounces at clug.org.za [mailto:clug-tech-
>> bounces at clug.org.za] On Behalf Of Mark Ter Morshuizen
>> Sent: 09 December 2007 08:45 AM
>> To: OSS Technical Questions and Answers
>> Subject: Re: [CLUG-tech] 'tis the season
>>
>> On Sunday 09 December 2007, Jonathan Hitchcock wrote:
>>> So, here's a Christmas project for the amateur engineers among you:
>>> design a small circuit and LED system that would be suitable for a
>>> Christmas tree
>> wall wart or battery power
>> 2x 555 timers
>> 2x transistors
>> some caps & some resistors for the timing
>> LED's
>> wire
>>
> 
> Sigh* 555 timer is so cheating.  
> 
> 4x transistors
> 6x resistors
> 4x caps
> LED's 
> Wire
> Heat shrink tubing

Since I'm more of a programmer than a hardware hacker, I'd use a 
microcontroller (preferably one of the littler Atmel AVRs) and write 
some code to do fancy timings.

--J
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