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Audio Activated Delay Switch Using Transistors - DIY …
https://circuits-diy.com/audio-activated-delay-switch-using-transistors-diy-project/
4,432 views. Audio activated delay switch is a circuit that can activate a relay switch for a specific time period. For example, when we are …
Sound Activated Switch - ElectroSchematics.com
https://www.electroschematics.com/sound-activated-switch-2/
Sound Activated Toggle Switch Code (Clap Switch Code) You can now use the same hardware setup you already built to create a simple clap-operated toggle switch. Below is the code for that interesting application. [code] long long int last_states = 0; void setup() {pinMode(13, OUTPUT); pinMode(A0, INPUT); } void loop() {last_states = last_states << 1;
Sound Activated Switch - Ways to Design Own Sound ...
https://www.elprocus.com/sound-activated-switch/
It is a sound operated electronic switch kit by Electro Kits. It operates on a 9V battery and uses an electrets microphone. It switches on and off an LED mounted on the kit. Automatic Voice-Activated Switch; Its switching time is up to 60seconds and supports loads upto 3A-115V or 5A-12V. It is a microprocessor-controlled switch operating on 1 or 2 claps.
Sequential Sound Activated Switches - Circuits DIY
https://circuits-diy.com/sequential-sound-activated-switches-electronics-project/
The sequential sound activated switch is an electronic device that helps you to turn on or off switches without moving yourself. The sequential sound activated switches are creative and work as a sound detector. It starts working when the microphone receives a sound. If you want to turn on the switch you need to make a sound that may be a clap, whistle, finger snap or …
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