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Audio Activated Switch - Cowlacious Designs
https://www.cowlacious.com/audio-activated-switch/
Audio Activated Switch. This device allows audio to activate an electronic switch. The circuit is essentially a one channel color organ (for those that remember what those are), but with a small twist. This unit has three channels that turn on whenever the preset volume level or greater is achieved. The volume level can be adjusted by you.
Arduino Audio Triggered Power Switch : 5 Steps - …
https://www.instructables.com/Arduino-Audio-Triggered-Power-Switch/
Power up your new Audio Triggered Power Switch by plugging in the power adapter into the Arduino power jack. 2. Connect the output of your portable player to either of the phone jacks. I used my iPod. 3. Connect the other phone jack to your sound system. I choose the "CD" input. 4. Turn the 10K variable resistor to the CCW rotation stop. 5.
Audio Activated Relay Switch Output [PIC-125]
https://www.pic-control.com/audio-activated-relay-switch-output-pic-125/
This device detects audio from your 3.5mm stereo socket and uses the audio as a means to control a relay output. Simple to use. Simply plug in the USB to supply this converter with power. Plug in your audio jack for the audio sound input. When sound is detected from your audio jack, the relay will be activated. Click here to buy. Application. Convert sound into a light indicator.
3 Sound activated switch and Detector Circuit with PCB ...
https://www.eleccircuit.com/sound-activated-switch-circuit/
We called the sound activated switch. It has many ways to do these circuits. But now I am going to show you three circuits ideas. I try to combine circuits that are easy for you. And hope you get a benefit. Sound activated switch. This is Sound activated switch Circuit with PCB using IC-1458 and SCR-C106D. It will work only if the loud is overdue.
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