audio processing

Hi there, I am creating an audio headset tester and need to add a vu meter to display the amplitude of the output waveform, the signals amplitude can get changed with a potentiometer earlier in the circuit. I have it set up so far that the audio signal goes into a diode and capacitor to push it...

So I recently purchased a 285W western electric transmitter as I'm trying to more or less make a microphone that can plug into a computer which uses a carbon button microphone from the early 20th century. I have little education in circuit design, though I know enough to know I probably made...

Hello everyone, Thanks for reading! My question is, how can I modify the Adafruit Micro Speech Demo to get it to work on an mbed dev board? Adafruit Micro Speech Demo Currently, I'm trying to run the Adafruit Micro Speech Demo on my Nucleo-F429ZI dev board, though it should really work on any...