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Sound Detector Hookup Guide - learn.sparkfun.com
https://learn.sparkfun.com/tutorials/sound-detector-hookup-guide/all#:~:text=The%20Sound%20Detector%20is%20an%20analog%20circuit%2C%20and,on%20the%20supply%20lines%20onto%20the%20capsule%20output.
Sensitive Audio Detector | AC Circuits | Electronics Textbook
https://www.allaboutcircuits.com/textbook/experiments/chpt-4/sensitive-audio-detector/
This detector system is extremely sensitive, and any loose wire connections in the circuit will add unwanted noise to the sounds produced by the measured voltage signal. The two diodes connected in parallel with the transformer’s primary winding, along with the series-connected 1 kΩ resistor, work together to “clip” the input voltage to a maximum of about 0.7 volts.
Build an Audio Detector - Projects - All About Circuits
https://www.allaboutcircuits.com/projects/build-an-audio-detector/
File>Open>audio_RMS_print.ino; Make sure to select the correct board in Tools>Board>Launchpad w/ CC3200 80MHz. Program the board. File>Upload or the arrow button; You should see the bar graph in a terminal move depending on the audio. *Note: The built-in terminal doesn't handle the '/r' to display the graph. I recommend Tera Term instead.
Sine Systems, Inc. | DIY Audio Detection Circuit
https://sinesystems.com/support/rfc1/rfc1_diy_audiodetect.shtml
The easiest way to set this up to detect loss of audio with the RFC-1/B is to connect the output of this circuit to a telemetry input and turn the calibration pot fully on (clockwise). Then set the upper limit for this channel to 9999 and the lower limit to around 0150. With audio present the channel will read "status on" most of the time.
Simple Sound Detection Circuit. Detecting Sound
https://picaxe.com/docs/picaxe_sound.pdf
Simple Sound Detection Circuit. Detecting Sound Students often want to use ‘sound’ as an input within electronic projects. Unfortunately sound is not as easy to use as light and temperature, as there is not an instant ‘single component’ solution, as is the case with, for example, an LDR for light or a thermistor for temperature.
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.
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.
Circuit: Audio Signal Detector Switch__ Circuit designed ...
http://discovercircuits.com/DJ-Circuits/audiodetect1.htm
Circuit: Audio Signal Detector Switch__ Circuit designed by David A. Johnson, P.E. 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 Hookup Guide - learn.sparkfun.com
https://learn.sparkfun.com/tutorials/sound-detector-hookup-guide/all
Sound Detector Hookup Guide Introduction. The Sound Detector is a small board that combines a microphone and some processing circuitry. It provides... Quick Start. To get started with the Sound Detector, simply connect it to a power supply. GND → Supply Ground. VCC →... Looking Closer. Three ...
3 Sound activated switch and Detector Circuit with PCB ...
https://www.eleccircuit.com/sound-activated-switch-circuit/
The UM3763 is a CMOS LSI circuit which contains analog signal amplifiers and frequency detector for driving motor. It is designed for use in electronic devices and other similar applications. It is packaged with 8 pins DIP. How to build this project
Audio Detector Switch | All About Circuits
https://forum.allaboutcircuits.com/threads/audio-detector-switch.76451/
I chose the 2 diode detector simply to get a bit more DC to switch with from the 4V or so P'P zener limited audio. I resurrected the design recently as a 'Silence' detector for another Community Radio station, using it 'backwards' with fast attack and 15 or so sec hang, to switch in a backup Player doodad when the station automation fails, or a ...
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