This amplifier was obtained from an Electronics Now from the 90s. The circuit has a dual 26V power supply. Power integrated circuits must be equipped with good heat sinks.
This circuit was found in a Poptronics of the 90's. It can be powered by voltages between 6 and 15...
This triac control was found in the October 1987 Radio Electronics magazine. The triac must be...
This circuit can be adapted to be used in a follow the line robot. It was found in the May 1962...