This circuit can work with almost any JFET. The circuit is from an Electronics Now from April 1993. It is powered by a 12 V battery, but can also be powered by 9 V.
This circuit causes the neon lamps in a set to flash randomly. Capacitors determine the speed of...
Found in a 1964 General Electric documentation, this circuit uses PUTs that are not currently...
This circuit was found in an 80s Hands On Electronics. It senses the water level in a reservoir by...