1. E

    Audio Preamp Circuit for a Microcontroller

    I made a pre-amp audio circuit but it doesn't seem to work. I want to amplify an audio signal so that it has a DC offset of 1.8V. I tried to simulate a similar circuit in KiCad and the simulation seems to work ok. Below is the circuit I designed and assembled. On the scope, the voltage is as...
  2. A

    Using a microcontroller to control / play categorized audio

    Hello Everybody! I'm making a project which is essentially an audio player. In my project I have many audio files which are sorted in different categories. For an example, Assume that my categories are 1) Home Automation 2) Car Electronics and 3) Drones Now I have several audio files under...
  3. lookingforhelp

    so i have this car amplifier, that has a 4 channel audio port. (i think).

    So this port is broken and i cant find another one like it anywhere. maybe im looking for the wrong component since im not that good with components yet. Its a mchammer 1200w markII amp if that helps anything. is there any way i could fix it with just buying a single new port. i think it is...
  4. Ayoub9898

    Need help in class D amplifier

    Hello everyone I need help please I dont have 2n4401/2n4403 Also irf540/irf9540 What can I exchange for them? I have added a picture to the circuit
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