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Posts : 2
Join date : 2008-04-02

PostSubject: Interesting   Fri Apr 04, 2008 4:36 am

Dear Justin,
Hey thank you for getting back to me so quickly. Yes I built 2 4 cubes, and can honestly say I will not ever do that again. I appreciate the information you gave. The lm 567 looks to be an interesting chip. I wonder if I will have to get 20 of them, and tune them to the desired frequency using resistors and caps. Still a few unknown properties, guess it is play with chips time. Keep me posted and again thank you. I will let you know what I come up with as well. Hoping for a very exciting effect!
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Posts : 115
Join date : 2008-03-26
Location : USA, California

PostSubject: Re: Interesting   Sun Apr 06, 2008 3:05 am

Yes, for 20 channels you will need 20 lm567s. If you can solder surface mount chips then you could use the SMA version and come up with a very small board to utilize 20 channels. I would buy a few DIP ones first to determine the wiring and resistor/capacitor values. Once you get that you will have to boot the output with a transistor, probably a MOSFET would be good.

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