Found in an Electronics World of 1969, this circuit causes a light bulb to flash along with the audio signal applied to the input. The circuit only works with incandescent lamps. C can be 47 nF to 220 nF.
This circuit is an impedance adapter. The circuit is from a Radio Electronics from April 1966. The...
This circuit can be used in physics experiments, in ionization and in several other applications. The...
This circuit, suggested by Texas Instruments, allows the control of high-power loads powered by...