This circuit was found in Motorola documentation from the 80's. The MOSFET admits equivalent according to the current and voltage of the motor that must be controlled.
This sensitive motion sensor with inductive sensor was found in a 90s Elektor. The circuit uses only...
This simple balance indicator for sound equipment was found in a 1982 documentation. The M1...
This circuit was found in a 1992 documentation. It uses a photo diode as a receiver and an...