This circuit, calibrated to the degree Celsius scale, was found in a National Semiconductor documentation from the 1980s. The circuit makes use of components of the time uncommon today.
This shield with feedback to control the direction of rotation of DC motors up to 500 mA with...
This 6-transistor Japanese radio for the medium wave range was manufactured in the 1960s in Japan....
This circuit was found in the 1989 Radio Electronics Experimenter edition. The circuit has the...