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 circuit was found in a 1987 edition of the United States' Hands On Electronics magazine. The...
Found in an old American publication, this circuit generates sweep pulses. The circuit generates 200...
This circuit is from 1992 documentation. The transistor can be a TIP42 with a good heat sink for...