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Curious Inventor Blog
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For everyday tasks like tinning wires, it is difficult to hold the iron, solder, and wire in only two hands. To remedy this problem, you can jam the soldering iron in the coil of the iron holder.
Jimmy silk screened his own steel panel for the VOS. Check out his sound/sculpture/performance harrier exhibit–the vos would have fit in well.
Why is it easy to find 4.7k resistors, but not 4.8k resistors? Where do common values like 1.2k, 2.7k, 560, and 820 come from and who decides them? As you may know, resistors come in different tolerances, as indicated by the 4th band (gold = 5%, silver = 10%). A 100 ohm resistor with a 10% tolerance is expected to have a value somewhere between 90 and 110 ohms, so it wouldn’t make much sense to buy a 101 Ohm resistor when it’s actual value could be less than a 95 Ohm, 10% resistor. The Electronic Industries Association (EIA) is the primary body that standardizes the values for resistors, and they publish value lists called “E” series. In the 10% series, known as E12, each value is spaced so that there won’t be overlap. The min and max values are listed:
The number following the “E” stands for the number of logarithmic steps per decade. Logwell has a table that lists common values from 10% through 1% Here is a neat resistor selection tool from uCHobby that allows you to select only legal values
If breadboard jumper kits seem too expensive, you can easily make your own with 22 AWG solid core wire. Just strip off a half inch of insulation from the ends and you’ll be able to make hundreds of jumpers for the price of a small spool.
Have to admit the song makes some good points… 🙂
Voice of Saturn Voltage Controlled Filter (Frac Format) from Travis Thatcher on Vimeo. We’ll be releasing modules and kits very soon with a Eurorack version to follow in January. Check out flickr for more pics!