experiment: 3bit Flash ADC

Some were appreciating when I uploaded photos of complicated things, so here is a working 3 bit Flash analog to digital converter (ADC) with a LED-output, optional a seven-segment display (not connected with the output on this picture) and a DAC (digital to analog converter) at the top-right. The input on the left was a generated with a frequency generator (we used sawtooth voltage for testing) and the output on the right was connected to a oscilloscope.

It took around 3 hours to build because we were searching for one hour why it wasn't working...