This low power circuit can be powered with voltages from 1.8 V. We find it in a 80s Hands On Electronics. The load can be from 8 to 32 ohm.
This circuit was obtained from an American documentation from the 1980s. The T1 triggering...
This circuit triggers producing a loud sound when a change in temperature is detected. The circuit...
This circuit was found in a 1976 documentation. It can be used with old tape recording mechanisms for...