Sound triggered switches are employed in several applications, a few common illustrations being voice controlled tape recorders, baby alarms, burglar alarm systems, and VOX (voice managed switching) techniques of radio […]
Audio Limiter Circuit
When generating tape recordings, particularly of “live” shows, it may be quite tough to set the right recording level. This could effortlessly result in an extreme recording level and major […]
FET Voltmeter Circuit
Eventhough a common multimeter is appropriate for almost all DC voltage measurement it may at times demonstrate to be insufficient. This can be the situation when designing measurements on higher […]
Automatic Central Heating Controller Circuit
Manually controlling the boiler thermostat of your central heating system according to the season will require the boiler to be turned on and off too many times, especially during the […]
Scratch And Rumble Filter Circuit
Scratch and rumble filtering circuit is a important element in a hi fi amplifier, however is definitely one which can be lacking through several layouts, or if this filtering exists […]
Door Buzzer Circuit
This unit is actually a two tone door buzzer of the form that generates a basic tone for around one second, accompanied by a tone of lower pitch. The result […]