This sensitive motion sensor with inductive sensor was found in a 90s Elektor. The circuit uses only transistors to activate a buzzer.
This circuit can provide constant currents adjustable between 1 and 10 mA. The transistors can be...
This circuit was found in an Electronic Design from the 90s. The oscillator circuit consists of a...
This 3 V rail to rail buffer was found in a National Semiconductor documentation. The gain is unit....