This circuit with zener diodes was found in documentation from the 90s. The zener diodes determine the lighting point of the LEDs. The circuit is for 12 V automotive batteries.
This circuit uses only passive components and the instrument can be a microammeter or the lowest...
This is one of the many integrated integrator circuits that the reader can find on the website. The...
This circuit uses a capacitor to store energy. The capacitor is charged by closing S1 by a moment. Them,...