Indicated by Popular Electronics to be used with a car headlight, this circuit can also have applications in fixed signaling. The power MOSFET must be in accordance with the lamp.
We found this circuit in an internet documentation. The circuit uses a 1 mA instrument, and the...
This circuit can be used to measure the frequency of a low frequency square signal. The signal can be...
This circuit is from 1985 documentation. The integrated circuit used is not very common today, but...