This circuit activates a garage door by the car headlights car or a lantern. The circuit is from a 1967 documentation, making use of period components.
This variable timing circuit was found in 1964 General Electric documentation. Circuit uses PUTs...
This circuit, from a 303 Circuits from the 90s, uses a telephone pickup coil as a sensor to...
November 2016 - Mouser Electronics is making the new Kyocera MC2016K Series crystal oscillators...