This flashing allegory with 555 integrated circuits was found in the Radio Electronics Experimenter magazine from 1989. It is a simple circuit to assemble.
This circuit was found in old documentation. PUTs are uncommon components today. The circuit...
This circuit was obtained in a 1991 Electronics Handbook. The publication no longer exists, but...
This crystal oscillator generates a 20 MHz signal. Equivalent transistors such as BF494 and 2N2222...