This circuit appears elsewhere in this section, obtained from other documentation. The circuit is for lead-acid batteries and the lamp can be replaced by high brightness LEDs.
This circuit was found in an English operational documentation from 1970. The circuit can be...
This circuit is from a 1974 publication. It generates a pulse with several sinusoidal cycles from...
This solar cell driven circuit makes 4 LEDs run at a speed given by capacitor C2. The circuit is...