This circuit was obtained from an 80's Electronic Engineering. The circuit detects ice formation by triggering a warning light. The operational amplifier is of the time.
This well-known siren configuration using complementary transistors is from a 1980s documentation. The...
This is a one-bit memory that can be used to store a simple bit of information, such as a remote...
This circuit using an Unijunction Transistor produces a 240 Hz saw tooth signal. The frequency...