The integrated circuit used in this detector is uncommon today. We found it in a documentation from the 70s. Detection is done by an optical camera with LEDs and a photo sensor.
The load used in this experimental circuit is a small incandescent lamp but it can be replaced by...
This simple 10-position roulette circuit with the 4017 found a 1987 documentation. The circuit can...
This is a Serial In - Parallel Out or Serial Out [SIPO or SISO] shift register using the...