We found this circuit in an old General Electric documentation. In fact, PUTs are not common components today. The circuit is valid as a reference.
Found in American 90’s documentation, this circuit generates 300 Hz depending on the capacitors...
According to what is said, the bugs are the female insects (mosquitoes, muriçocas and others)....
Found in a 90s nHands On Electronics, this circuit triggers a relay that shuts off the load when...