In the figure we have a simple way to produce tone in a piezoelectric transducer. The frequency depends on the capacitors and the supply can be done with voltages from 1.5 to 6 V.
This circuit can be used for signaling a panel with a common incandescent lamp. The lamp will...
This circuit, suggested by General Electric, increases the sensitivity of a common multimeter to 1 M /...
The LM105 integrated circuit consists of a voltage regulator integrated in a metallic enclosure. The...