This circuit produces a signal when the turn signal is on, preventing it from being forgotten in this condition. The circuit was found in a Popular Electronics from the 80s.
This circuit was proposed by a 1965 Electronic Design. Its purpose is to widen the line transients...
We found this receiver in old documentation. The transistor is made of germanium and the...
This simple battery tester uses two transistors to drive LEDs of different colors, indicating the...