Using a dual 555 CMOS this very useful circuit on the bench was found in the July 1998 Electronics Now magazine. The circuit is battery powered.
In the figure we have a solar power source for experiments with this type of energy. The cells must...
This other photodiode amplifier uses an operational amplifier in the non-inverting mode and in the...
With the circuit shown in the figure, the frequency of a 5 MHz oscillator controlled by crystal can...