This circuit for 3.3 V logic circuits has a 5 V input and the maximum output current is on the order of 1 A. The circuit is from a Linear Technology manual.
This capacitive approach alarm circuit was found in a 2002 documentation. The wire to the sensor...
This circuit uses a common digital clock to activate a relay at a programmed time. The circuit takes...
The integrated audio amplifier used in this project is not very common today, but more modern...