Results tagged #Whistle Detection in Circuits
Whistle Responder Schematic circuit
This device beeps intermittently for about two seconds when a person in a range of around meters emits a whistle. The first two inverters co...
Whistle to beep circuit
This simple circuit produces a beeping sound that lasts for around 3 seconds whenever you make a whistle. The CMOS Hex inverter CD4049 is th...