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Subject: 
Re: Zero Power Tower
Newsgroups: 
lugnet.robotics
Date: 
Tue, 12 Feb 2002 19:34:31 GMT
Viewed: 
620 times
  
hi John,

the circuit looks very good, and far more easy (and understandable) then the
circuit from Lego (cracked by yourself ;-)
I'm using your modification of the Lego IR-tower with great pleasure. The normal
range (without batteries) is about 60 inches !!

I guess it's possible to extend the range of your new design by lowering the value
of R6 and by adding more IR diodes in series. For instance my computer can deliver
about 20 mA from it's serial port.

Great work !
I'll put a link to your circuit on my webpage, or even better, If you've no
objection I'ld like to put the circuit on my page dedicated to the IR-tower,  (it
already contains photo's and cracked schematics of the orginal IR-tower from you),
see

http://baserv.uci.kun.nl/~smientki/Lego_Knex/Lego_electronica/IR_tower/IR_tower.htm

Keep on this nice work !

Stef Mientki

John Barnes wrote:

I have uploaded the schematic for the battery-less power design to brickshelf.

http://www.brickshelf.com/cgi-bin/gallery.cgi?f=11799

There has been some interest in the past, and I wonder if this handy design
might fit the needs of a number of recent posters who've indicated that
their Mindstorms systems are lacking the original Lego tower.

JB



Message has 1 Reply:
  National Toy Designing Festival for learning Technologies
 
Dear all, To some this mail may look out of place. But to others it would be a great chance to participate in the only toy designing festival of the country. We are one of the pioneer technology institute of the country working on "digital divide" (...) (23 years ago, 12-Feb-02, to lugnet.robotics)

Message is in Reply To:
  Zero Power Tower
 
I have uploaded the schematic for the battery-less power design to brickshelf. (URL) has been some interest in the past, and I wonder if this handy design might fit the needs of a number of recent posters who've indicated that their Mindstorms (...) (23 years ago, 12-Feb-02, to lugnet.robotics)

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