This circuit causes an instrument needle to oscillate to signal an event. The circuit is powered by solar panel from 1 V.
This simple inverter was found in a 1997 documentation. Its purpose is to apply a high voltage to a...
This Signetics circuit uses a double 555 (556) to generate tone bursts at frequencies determined by...
This circuit generates rectangular and triangular signals up to a few megahertz. The circuit is...