This simple, unregulated power supply with an approximate 6 V output voltage can supply currents up to about 500 mA depending on the transformer. The diodes can be 1N4002.
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...