This shield circuit, from a documentation from the 70s, employs an optocoupler with two SCRs to control a small load of 1.5 W.
Three of the four gates found in a 4001 can be used to perform as an AND gate. This improvisation...
We can obtain a monostable circuit with two amplifiers, from the configuration shown in the...
This circuit was found in a 1999 documentation, but it can still be easily assembled today, as the...