sound

YouTube video with the sound What is this sound, and why does it happen? After discharging the motherboard (turning it on without a power source), and then powering it with a battery, it makes that high pitched noise (before the buzzer beep). Is it the capacitors charging? It makes the same...

Hi All, I am working on a project to detect sound from a mic and process that sound in Raspberry Pi4B. The Mic(Link below) has a digital putout. https://www.sunrom.com/p/sound-sensor-module-mic The Raspberry Pi4B doesn't have an ADC so, in theory, the Mic module should be ideal. The question...

Hi all Considering this simple circuit When I connect it as shown the sound became amplified for 2 seconds then it stops. So I have to connect the jack to pin 3 instead of pin 1 .. how to fix this Thanks a lot.

Hi, I bought DIY amplifier board. And now I am trying to find what I did wrong. It can work for about 2 seconds and then sound dissappear. But power stays on, and LED is glowing I connected 24 volt toroid to start the board. In description it says that circuit is designed for 12 to 36 AC...

Hello! I recently built a scale model of the Jurassic Park Entrance gates but when I was getting ready to finally be done with it I had the thought I could add a servo or two in order to make the doors automatic. In researching this I decided, well, why don't I add a soundboard and some mini...

Hello i am thinking of making a Bluetooth sound bar out of my old laptop lenovo laptop ( ideapad 510) internal speakers, from the internet i learnt that you need to change the digital signal to analog and then amplify the signal before connecting it to the speaker. I am a little worried about...