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$28.99
The bare essentials for soldering surface mount components. Includes a 10x loupe, .02" Kester® solder, flux pen, tweezers and solder wick / braid.
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$4.99
Easily plug in headphones or music from your iPod into bread-board audio circuits.
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$3.99
Easily plug in your multi-meter probes into bread-board projects.
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$16.89
A touch strip that acts like a potentiometer with .1 inch 3 pin male header.
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$99.99
The basic essential tools, including a multimeter, 40W adjustable iron and Clamp.
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10 Step analog sequencer. Adjustable sequencer length. S-trig gate out for Moogs. Bare-bones, everything kit + fully assembled.
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$19.99
This kit provides adjustable +- DC voltage to bread boards, just attach an inexpensive AC transformer. Both + and - voltages can be finely adjusted with a trim pot. Great for ...
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Arduino-compatible designed for robotics--easily plug in servos and battery packs, a more robust pcb can also handle more current.
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Joystick control of filter / res, also 2 input VCA. Joystick can be rerouted to control mixing, any other voltage signal. VC inputs for amp, filter, resonance.
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$10.99
A sponge replacement, these soft, metal coils are coated with flux and clean soldering iron tips without thermally shocking them like a wet sponge does. This helps to prolong ti...
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$23.99
A small, sturdy clamp that can be rotated to almost any angle to hold work or tools.
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Patented solder-filled troughs make soldering surface mount chips easy, just slide the iron towards the chip. Even for BGA, lead-less (QFN).
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Converts PS2 controller (including guitar hero) into MIDI. Assign joysticks to MIDI controllers for filter sweeps, buttons to a drum set. Fully remap-able. Button pressures wor...
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$79.99
A case for the arduinome, a DIY version of the monome (monom.org). Designed for SparkFun 64 SparkFun buttons and arduino Diecimila.
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$13.99
This ESD safe bottle pumps a small amount of alcohol into a dish on the lid when pressed down by a brush. It`s designed to keep the rest of the alcohol from evaporating, a...
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$8.64
Quickly remove rough edges on drill holes and edges of parts. In most cases, this tool works faster than a file, and can deburr irregular edges that might otherwise require mul...
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$4.95
This pen is useful for conveniently applying flux only where it's needed. Simply paint over connections with the felt tip to apply flux.
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$3.99
Both the lid and case have 4 PC board standoffs molded inside for easy horizontal mounting with 4-40 screws. Easy to machine, flame retardant ABS plastic.
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Add a serial port to a Linksys WRT54G(L) router to turn it into a routerBot or control other electronics (iPod, etc).
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$13.99
This kit contains everything needed to desolder multi-pin surface mount chips. It's basically a low melting point alloy that, when mixed with the existing solder on a joint...
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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:
| (min) | value | (max) |
|---|---|---|
| (90) | 100 | (110) |
| (108) | 120 | (132) |
| (135) | 150 | (165) |
| (162) | 180 | (198) |
| (198) | 220 | (242) |
| (243) | 270 | (297) |
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 unHobby that allows you to select only legal values
Voice of Saturn + PBR art entry from Travis Thatcher on Vimeo.
Modified Voice of Saturn Synth I made for the PBR Art show tonight in East Atlanta. There's a speaker in the can and it makes lovely noise.
JH Polymoog Resonator + voltage control and Voice of Saturn from Travis Thatcher on Vimeo.
J.H. Polymoog Resonator clone with added voltage control and the Voice of Saturn synth/sequencer. More info: voiceofsaturn.blogspot.com.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!
Voice of Saturn equipment along with a drum machine (Thomas Henry Mega Percussive Synthesizer), couple LFOs and arpeggiator.
We're a few mechanical and electrical engineers from GaTech trying to make it easier to make and sell inventions. We write how-to guides, sell cherry-picked parts and tools, and also manufacture kits...