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January 12, 2008
C, Java, XSLT, assembler
Vacuum tubes, neon, microcontrollers, electronics
Neon, reading, building, making
about 3 days ago
I’m a little unclear why a 3-axis controller comes with 4 stepper motors. It’s like hot dogs and buns.
News - FaKey MaKey
about 3 weeks ago
I doubt they want to release it with a share-alike license, as then they’d have to release circuit diagrams, source code, sound files, etc. and they may well have used some licensed content there. Some attribution would have been nice, however.
News - Enginursday: On the 555 T…
about 2 months ago
I too must disagree. You make the point that learning to program a microcontroller has benefits elsewhere. This is true, but learning how passive analog components actually work and how the math behaves also has benefits elsewhere. The fact that the 555 can run on a wide voltage range, run on dirty power, and source or sink a whopping 200mA also makes it a low parts count solution for many problems. The original (bipolar) version is also very robust, and will operate reliably in an environment full of interference and voltage spikes. While I agree that microcontrollers have encroached on much of the territory the 555 originally held, there are still plenty of niches where it’s still arguably the reasonable choice. Hans Camenzind (the designer of the 555, alas no longer with us), wrote an excellent book on IC design. At the end, he revisited his own 555 design, explaining how he’d do it differently with decades more advancement and experience. But the original design persists.
News - This is your brain on Dum…
about 4 months ago
Done. What’s your address?
about 4 months ago
But that’s a different product: Pick and Place Spare Parts Grab Bag
about 6 months ago
Integrated circuits aren’t really “just one type” of transistor (some early ones like PMOS were), but modern ones normally have at least two kinds of transistors, and often many more. Also, “Identification” is misspelled.
about 7 months ago
I love the skill levels required!
News - New Product Friday: Happy…
about 8 months ago
Realize that while .01% error sounds pretty good, that is only one part in eight of the legal limit. However, the fuel cell based BAC readers are generally more accurate than the (probably) tin oxide sensor Shawn used.
News - New Internet of Things (I…
about 9 months ago
It goes back farther than that. The CMU coke machine reported it status a long time ago. https://www.cs.cmu.edu/~coke/history_long.txt
News - My Email is my Passport; …
about 10 months ago
Amazon only, and I do not do business with Amazon.
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