In the figure we have an interesting protection bridge against power polarity inversion of a circuit using power MOSFETs. MOSFETs must have currents according to the protected load.
This vibrato circuit appears elsewhere on this site. The circuit is from an old American...
This rev counter, which can be used in a car or engine, was found in a French magazine Radio Plans...
The amount of light emitted by na LED is given by the intensity of the current flowing across it....