>-----Original Message-----
>From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] 
>On Behalf Of Carey Fisher
>Sent: 11 June 2007 18:04
>To: Microcontroller discussion list - Public.
>Subject: Re: [EE] How to start teaching electronics to a 5 
>years old kid ?
>
>
>
>Harold Hallikainen wrote:
>> ...
>> tube. That stuff was by the time I was in fourth grade. Also made a 
>> spark gap transmitter out of a buzzer out of some neighbor's broken 
>> toy. Connect one side of the interrupter to ground and the 
>other to a 
>> big wire antenna. I could send Morse code for several blocks 
>and hear 
>> it on AM radios.
>>
>> Good luck with the project!
>>
>> Harold
>>   
>>   
>Harold - I thought I was the only one who did the buzzer 
>thing! I used a key & buzzer from a Morse Code 
>learning/practice set, ran a wire from one side of the buzzer 
>up a tree and my friend could hear me on his dad's CB radio a 
>few houses away. The battery I was using ran down so I hooked 
>the buzzer to household AC, it exploded and caught fire and 
>I've been in electronics ever since. Carey

I think I must have been a bit of a thug, my brother and I used relays wired up as buzzers for electric shock machines!  He went one better and used a huge contactor which literaly jumped around the floor :D

Regards

Mike

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