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Digital Clock 1

Submitted by italianapple on February 12, 2007 - 10:53am

I designed and built this digital clock when i was 17, and it still works. I used TTL chips so it requires 1,2 amp from the power supply! I did not use a Crystal oscillator because i did not find the value that i need for my project, so just for the "test", i built a 1Hz clock generator with a 555, the PCB on the back of the box.
One thing that i also did not build was a "antibounce circuit" to fix the hour an minutes, but just a 3 simple buttons, so it became very tricky to put the time right.

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Clocks
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mccad screenshot

Submitted by FunnymanSE30 on July 31, 2006 - 1:22am

a screenshot of mmccad dialup users beware!

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Other
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Water flowing down and pinstripe flames.

Submitted by jomodad on April 12, 2006 - 4:26am

That fist pic didn't really show off my first pintsripe job.

Taxonomy: 
MacQuarium
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Two

Submitted by cdeepakcse on March 8, 2006 - 11:10pm
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Other
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another view

Submitted by willyperdew on October 19, 2004 - 7:07pm

I added some trails with a long exposure zoom

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Other
Other

My Compaq LTE Mini LCD Hack

Submitted by boby_dg on September 18, 2004 - 6:50am
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Other

MaxxBoxx Blue

Submitted by orchard on September 12, 2004 - 9:55pm
Taxonomy: 
Embedded
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MaxxBoxx Black

Submitted by orchard on September 12, 2004 - 9:54pm
Taxonomy: 
Embedded
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Unknow Parallel Card w 64k buffer

Submitted by technerd on April 30, 2004 - 8:09am

Got this in a Apple IIe I bought was wondering if any body knew who made it? It is a parrell card with a 64k? buffer

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Apple II
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