Audio Detector Switch | Audio-Digital.net

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Audio Detector Switch - EasyEDA

https://easyeda.com/guest/Audio_Detector_Switch-yYuM4mfxP

Description. Two similar circuits: A) Automatic input selector: If input A is connected to the output, if input B has audio signal the circuit switches to input B. B) Detect audio signal to switch relay on and after some time off again when the music has stopped.

Audio Detector Switch | All About Circuits

https://forum.allaboutcircuits.com/threads/audio-detector-switch.76451/

Audio Detector & Switch Schematic.png. 11 KB Views: 165. Like Reply. wayneh. Joined Sep 9, 2010 17,160. Nov 3, 2012 #4 Yes, it is. The diode D1 makes sure that C4 can only discharge slowly through the 10M resistor R11. So once turned on, it will stay on until the voltage on C4 falls thru the threshold area to off.

Circuit: Audio Signal Detector Switch__ Circuit designed ...

http://discovercircuits.com/DJ-Circuits/audiodetect1.htm

Audio Signal Detector Switch. This circuit will activate a transistor switch when it detects at least 50mv peak to peak of an audio signal. It could be used to turn on a relay, routing the signal to were it is needed.

sound detector switch circuit/electronics project - YouTube

https://www.youtube.com/watch?v=T_-27v-fZEM

Watch in this video, how to make sound detector switch at home. The presented switch circuit is built using timer IC ne555.Circuit diagram link https://elect...

Circuit-Audio Signal Detector/SwitchHobby Corner

http://www.discovercircuits.com/H-Corner/audiosignal%20detector%20switch.htm

Audio Signal Detector/Switch Circuit. designed by David A. Johnson, P.E. For some audio systems it is desirable to have an automatic switch circuit turn on other devices, such as an Amplifier, if an audio signal is detected on one line.

Now you know Audio Detector Switch