This LED bar graph circuit was found in the October 1980 issue of Radio Electronics magazine. The circuit shows how to change the LED drive values.
This circuit came out in a Popular Electronics from December 1995. It is a double T configuration that...
This circuit starts a water pump at a lower level of the reservoir and then turns it off when it...
This relaxation oscillator, simulated in the Multisim Blue, produces two different signals. The...