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Category Archives: Making
hardware RNG
Seems like you should be able to pull truly random numbers out of a hardware circuit. Tune into the CMB or some other kind of noisy circuit, sample it, and voila, all the random you can eat. hm. Needs thought.
Posted in Electronics
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Business idea: stuff to sell
…and easy to make! http://www.ponoko.com/ the concept is simple, and an example is demonstrated here: http://blog.makezine.com/archive/2008/09/ponokos_new_photomake_ser.html And here’s an example item that is for sale that I like: http://www.ponoko.com/showroom/Chromatophobic/30mm-snowflake-x3-366
Posted in Making
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The Eepy Birds have done it again.
They brought you Diet Coke and Mentos and now…
Posted in Making, Random Thoughts
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keypad to PIC using only one pin
http://www.edn.com/article/469869-Single_wire_keypad_interface_frees_microcontroller_I_O_pins.php
Posted in Electronics, Making
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555 metronome circuits
http://www.edn.com/article/CA46074.html http://www.ecelab.com/circuit-metronome.htm
Posted in Electronics, Making
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What was I trying to build?
I was going through an old project notebook, and ran into the following entry: “I’ve been trying to figure out how to build avoltage attenuator for a couple of years, and my current brain exercise is to make a circuit … Continue reading
Posted in Electronics, Making, Random Thoughts
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