This circuit was found in the July 1969 Radio Electronics magazine. The circuit controls resistive loads and universal motors with power according to the SCR used.
This circuit was found in a 1990 Electronics Handbook. The transistors can also be the BC548 and...
This circuit can be used to obtain control signals from an infrared emitting source. The circuit is...
The integrated circuit used in this project is not the most common. The use of a crystal...