sound detector tone decoder

Posted on Aug 23, 2012

This circuit is designed to trigger on a 1 khz tone. to change this frequency - refer to the table below, then change the resistor and capacitor values accordingly.

sound detector tone decoder
Click here to download the full size of the above Circuit.

all resistors are 5 or 10 percent tolerance, 1/4-watt all capacitors are 10 percent tolerance, rated 35 volts or higher

Leave Comment

characters left:

New Circuits



Popular Circuits

Loudspeaker Protection circuit
Sample-And-Hold Circuit Ii Circuit
Mains Powered White LED and Grand Prix Starting Lights circuit
controller 4017 counter LEDs have multiple connections in this traffic light circuit
how to use in-built adc of avr
autonomous car
maze robot sensor integration
Astable multivibrator-2 LED flashing circuit2N39043.7V
ISL81487 5V Half Duplex 5Mbps RS-485/RS-422 Transceiver
tunnel diode circuits
Simple Door Alarm Circuit
One thyristor incandescent dimming circuit