Boston
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« on: January 27, 2011, 11:30:50 am » |
In case anyone hasn't seen this, there is a cool 555 timer contest going on. It is actually being judged by Forrest Mims! http://www.555contest.com/ |
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Phoenix, Arizona USA
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Where's the beer?
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« Reply #1 on: January 27, 2011, 11:35:58 am » |
Heh - that does sound like a cool contest - I'll have to check it out! Thanks for posting that!  |
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nr Bundaberg, Australia
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Scattered showers my arse -- Noah, 2348BC.
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« Reply #2 on: January 27, 2011, 12:18:22 pm » |
OK here's what we do. Rub the Atmel writing off an Attiny85 and add something like NE555. Then write a nifty program that does something not too fancy (that will give the game away) but that will knock to socks off a 555 circuit  What's the first prize anyway, a tube of 555s. ______ Rob |
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North Yorkshire, UK
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« Reply #3 on: January 27, 2011, 03:16:40 pm » |
What's the first prize anyway, a tube of 555s. Nahh, a pretty hefty chunk of stuff probably |
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Leighton Buzzard, UK
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« Reply #4 on: January 27, 2011, 03:41:53 pm » |
guaranteed winner design something that needs 555 of the little suckers! |
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there are only 10 types of people
them that understands binary
and them that doesn't
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Boston
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« Reply #5 on: January 27, 2011, 04:23:32 pm » |
I'm not sure what the actual prizes are, but they are being sponsored by DigiKey and Beagle Boards among others.
Also just read Hanz Camenzind who created the chip is also judge!
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North Yorkshire, UK
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« Reply #6 on: January 27, 2011, 04:25:53 pm » |
I was thinking 555 LEDs in a project but that involves buying more... Yeah the prizes should be pretty epic!  |
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Central MN, USA
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Phi_prompt, phi_interfaces, phi-2 shields, phi-panels
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« Reply #7 on: January 27, 2011, 04:49:13 pm » |
Very clever. Is Attiny85 pin-compatible with 555? OK here's what we do. Rub the Atmel writing off an Attiny85 and add something like NE555. Then write a nifty program that does something not too fancy (that will give the game away) but that will knock to socks off a 555 circuit What's the first prize anyway, a tube of 555s. ______ Rob |
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SF Bay Area (USA)
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Strongly opinionated, but not official!
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« Reply #8 on: January 27, 2011, 05:08:27 pm » |
Rub the Atmel writing off an Attiny85 and add something like NE555. I predict that it will have trouble driving 200mA through an output from a 12V supply... The AVR reset circuit discussed recently isn't totally out of the running, though. A bit on the simple side. How else might a 555 be used together with a microcontroller? This would at least be an area that hasn't already had hundreds of 555 circuits already published! |
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SE USA
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@ssh0le
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« Reply #9 on: January 27, 2011, 08:03:22 pm » |
Very clever. Is Attiny85 pin-compatible with 555?
not even close |
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http://arduino.cc/forum/index.php?action=unread;boards=2,3,4,5,67,6,7,8,9,10,11,66,12,13,15,14,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,86,87,89,1;ALL
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Washington
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Firefox & Arduino rocks
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« Reply #10 on: January 27, 2011, 08:08:34 pm » |
The capabilities of the 555 IC have been way overrated for some reason  BTW Do you get extra points for building a working 555 on a breadboard with discrete transistors from the schematic? |
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Avoid throwing electronics out as you or someone else might need them for parts or use.
Solid state rectifiers are the only REAL rectifiers.
Resistors for LEDS!
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Boston
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« Reply #11 on: January 30, 2011, 10:13:39 am » |
They now have a list of sponsors and prizes totaling over $6,000, including a Fluke 287 and a BeagleBoard-xM! http://www.555contest.com/prizes-sponsors/ |
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North Yorkshire, UK
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« Reply #12 on: January 30, 2011, 03:55:55 pm » |
I have to admit, I was thinking of entering but since that guy's done the self balancing thing with a 555, I'm not going to. No way I can top that. |
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New York
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E != m*c^2
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« Reply #13 on: January 30, 2011, 08:08:23 pm » |
You know, mowcius, there are different categories - so you could submit something fundamentally different.
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Left Coast, CA (USA)
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Measurement changes behavior
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« Reply #14 on: January 30, 2011, 10:09:41 pm » |
Does it have to be a working circuit? I have this idea of completely covering a baseball hat with glued on 555 chips. I guess if it does have to do something electrically I could glue leds on top of the 555s. Damn battery will probably give me a headache.
I'm sure that hasn't been done before, and don't none of you go stealing my idea, just because Arduino is open sourced and all.
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