This circuit powered by photovoltaic cells was found in the November 1998 issue of Electronics Now magazine. The circuit uses two motors and can follow a line thanks to its sensors.
This amplifier was found in a 1957 Rayrtheon documentation. The circuit can be fitted with a BC558...
This circuit was obtained from the May 1971 issue of Radio Electronics magazine and is intended for...
Although it is a common configuration today, this circuit was taken from an old publication. The...