DIY Techno-hacksOld hard drive platters make wonderfully good drinks coasters - they look dead smart and expensive and you've stopped people reading your old data into the bargain.
Have you taped all your remotes together, peep-show-style? Have you wired your doorbell to the toilet? What enterprising DIY have you done with technology?
Extra points for using sellotape rather than solder.
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chthonic, Thu 20 Aug 2009, 12:30)
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Well I did it with fourA Dallas DS1075 EconOscillator clocking a PIC16F84, some of the output lines addressing an EPROM (which held each stage of the chaser pattern) and a 74LS139 2-4 line decoder (used to address four blocks of eight LEDs). Rapidly cycling through the four LED quadrants (and the corresponding four bytes of the EPROM) gave the illusion that they were all on together.
God knows how I came up with it, but I did!
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eXOBeX, Sat 22 Aug 2009, 0:12,
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