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Old 6th January 2005, 09:23 PM   #11
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Join Date: Dec 2004
Location: VT, usa
Ok guys, I ordered all the parts from mouser. they should get here soon.
While I knew the values, I had no idea what variety of capacitor I should use... they were so cheap that I got a ton of different values and materials... ceramic, film, polyester, etc. I'll try to create a setup where I can easily interchange the caps to see if there's any difference in the sound output.
I'll let you guys know when the parts arrive.
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Old 11th January 2005, 06:12 PM   #12
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Join Date: Dec 2004
Location: VT, usa
Alright, the stuff is here!

How in the world do you wire a circuit up to such a tiny microchip??? This thing is like 1/4" by 1/2" and it has 14 pins coming out of it! Can you just use a regular soldering iron?

Guess I'll get to work on my accuracy. I would just worry that it would be really easy to fry the chip.

Any advice? thanks.

max
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Old 12th January 2005, 12:41 AM   #13
raypsi is offline raypsi  United States
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Join Date: Jan 2005
Location: middle earth
Default get out that 100W iron j/k

A temp controlled solder station would be a good start, some can be had for dirt cheap prices. A micro fine tip of say 1/16" either conical or screwdriver shape. A straight iron of 30 watts is good. With inter-changeable tips are the boss. Make sure you tin the tip before it gets to hot, on first time running. A swing o lamp with a magnifier built in is a must.

I like using ic sockets for prototypes. As for soldering: the IC generally can take an iron tip on a single pin for 10 seconds. Any longer than that you are going to be living on the edge.

63/37 solder is the best, 60/40 is acceptable and solder must be resin core.

Lastly, soldering is a fine art. you'll love tacking on little SMD's.
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Old 13th January 2005, 06:09 AM   #14
Enzo is offline Enzo  United States
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Join Date: Sep 2004
Location: Lansing, Michigan
If you have never soldered on a pc board before, consider building a simple kit first to get some practice. There are many small simple kits involving a chip or two. SOme blink lights and others make noises, but for a few dollars you can get something and get some practice doing the work. That is better than damaging your real project.
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Old 16th January 2005, 03:29 PM   #15
BbbyBld is offline BbbyBld  United States
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Join Date: Oct 2004
They are kind of noisy, but I might build on a breadboard first. If you plan on experimenting regularly, you should probably get one. The first kit you build could be a variable power supply--you will need one of those too.
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