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AMB Laboratories DIY Audio Forums • View topic - Audio ...
https://www.amb.org/forum/audio-sensing-relay-t2848.html
Audio sensing relay. by tommarra » January 6th, 2015, 7:38 pm. I am nearing completion in building my Home Theatre stack but have ran into a problem. The pre-amp output from my HT receiver feeds a stereo amp. My entire system is HDMI CEC enabled, hence switching on my PS4 switches on my TV, receiver, and my subwoofer amp. However the amp is ...
Switching Controlled by an Audio Signal | Radio Design Labs
https://www.rdlnet.com/blog/tips/switching-controlled-by-an-audio-signal/
RDL ST-ACR Series Audio Controlled Relays are used in any application where an audio signal must be used to create either a relay closure or Open-Collector output to control another piece of equipment or a circuit. Common applications include: Juke Box overrides Background Music AN-2024; Silence or “Dead Air” Sensor in broadcast environments
ST-ACR1 ‐ Line-Level Audio Controlled Relay - 0.5 to 5 s
https://rdlnet.com/product.php?page=130
ST-UMX3 3x1 Universal Audio Mixer - 3 microphone or line inputs x 1 microphone or line output ST-VCA3 Voltage Controlled Amplifier ST-VOX1 Voice Operated Relay ST-VP1 Voice-Over / Paging Module - Manual ST-VP2 Automatic Ducking Module STA-1 Dual Balanced/Unbalanced Line Amplifier -12 to 20 dB Gain STA-1M Audio Line Amplifier - Mono: -14 to 14 ...
Sensitive Audio Detector | AC Circuits | Electronics Textbook
https://www.allaboutcircuits.com/textbook/experiments/chpt-4/sensitive-audio-detector/
Detectors are intended to be used for balancing bridge measurement circuits, potentiometric (null-balance) voltmeter circuits, and detect extremely low-amplitude AC (“alternating current”) signals in the audio frequency range. It is a valuable piece of test equipment, especially for the low-budget experimenter without an oscilloscope.
AMB Laboratories DIY Audio Forums • View topic - Audio ...
https://www.amb.org/forum/audio-sensing-relay-t2848-10.html
Re: Audio sensing relay. I created a breakboard to be able to program Attiny85 through ICSP header and connect to a breadboard. The current battle is with 1.6.x or 1.7.x of Arduino IDE and attiny-core, which has not been updated yet. Another option is AVR Dragon, which is great.
Audio Activated Delay Switch Using Transistors - Circuits …
https://circuits-diy.com/audio-activated-delay-switch-using-transistors-diy-project/
Audio activated delay switch is a circuit that can activate a relay switch for a specific time period. For example, when we are listening to an FM radio station there’s a sudden increase in volume when any advertisement or song plays. But with the help of this circuit that sudden increment of volume can be muted for 15 seconds and if the ...
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