TTL pulse detector and indicator (CB22414E)

This TTL circuit with the 7400 serves as a pulse indicator. It must be supplied with a voltage of 5 V.

Light Sensor Controlled Load Monitor (CB17694E)
The purpose of this circuit presented in a 2009 documentation is to monitor, by means of neon...
Debounced switch (CB24335E)
This circuit is from the November 1974 issue of Radio Electronics magazine. The capacitor...
Electronic Roulette (CB7002E)
Found in a Popular Electronics from the 90s, this game can be seen in other configurations on this site. The...