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.
Quadrature Generator for Transistor and SCR Testing This circuit was found in US 1980s...
This circuit, with output currents up to 500 mA, can stabilize or regulate the output voltage of a...
This circuit that uses only transistors that are still common was found in a 1995 documentation. The TIP41...