This circuit generates a strong audio tone that scares away mosquitoes. Care must be taken that, due to its potency, it can also cause discomfort to very close people and domestic animals.
Passaje Alarm This locking circuit was found in a 1988 publication. It locks a relay when the...
What this circuit does is to separate a monophonic audio signal into two frequency bands so that,...
The circuit show and simulated in the MultiSIM BLUE is a high pass filter using a 741 operational...