Position: Index > Sensor Circuit >

sound detector tone decoder

2014-11-29 04:56  
Declaration:We aim to transmit more information by carrying articles . We will delete it soon, if we are involved in the problems of article content ,copyright or other problems.

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. visit page.sound detector tone decoder - schematic
all resistors are 5 or 10 percent tolerance, 1/4-wattall capacitors are 10 percent tolerance,rated 35 volts or higher visit page.