This 555 IC circuit was found in the November 1994 issue of Radio Electronics magazine. The circuit can be powered by voltages from 12 to 24 V.
This circuit causes the relay to be energized when the input voltage exceeds the voltage value of...
The maximum frequency of this circuit is 500 kHz. We found it in a documentation for radio...
The mains cables work as antennas. We can take advantage of them with this circuit that consists of a...