This traditional crystal oscillator configuration can use any CMOS gate configured as an inverter. R1 has values from 1 to 5 M ohm and R values around 10 k.
This is a circuit that should not be used for readers interested in a fair game. The circuit...
This interesting idea was obtained in a 1982 documentation and can be used for special effects in...
We found this circuit in an old publication from Argentina. The relay must be of the sensitive type,...