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.
We found this circuit in the October 1997 Electronics Now magazine. The circuit controls a solar...
The circuit shown makes it possible to power CD-players, tape players and other devices that use 2...
Activating a relay from the pulse (coming from a monostable, for example) can be useful in several...