/sci/ - Science & Math

>>	Anonymous Fri Mar 1 17:53:13 2013 No.5574717 [View] File: 327 KB, 1280x720, 1.jpg [View same] [iqdb] [saucenao] [google] >>5574710 LEDs are driven by 74HC164 shift registers. Controlled by an 8051 microcontroller.

Anonymous Sun Nov 11 17:43:39 2012 No.5245656 [View]
File: 327 KB, 1280x720, 1.jpg [View same] [iqdb] [saucenao] [google]

>>5245542
I built one of those as a project in second year EE. Its not as simple as just building an amplifier to pick up the signal. I had to build four stages of filter circuits before the output looked better than static.

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/sci/ - Science & Math

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