Skip to main content

All Questions

Tagged with
0 votes
1 answer
71 views

Trying to drive a I2S MEMS microhpone (SPH0645LM4H) using RP2040 PIO but timing seems bad and I dont get any audio back

So I want to connecte an i2s MEMS microhpone to a RP2040. I have made a PIO program that looks like this: ...
www.jensolsson.se's user avatar
0 votes
1 answer
909 views

Raspberry Pi I2S speaker and microphones on the same connection

I am planning on buying an I2S speaker amplifier for my Raspberry Pi project. I already have the microphones for it. My question is whether the I2S interface can support speaker and mic at the same ...
Collin's user avatar
  • 75
0 votes
0 answers
122 views

How to capture the I2S signal via Raspberry Pi Zero?

I would like to capture the I2S data from ADC CS5340 by raspberry Pi zero, but I could not find relevant I2S API to use in raspberry pi zero. Could anyone help me on this? Thanks!
Hui Zhou's user avatar
0 votes
0 answers
568 views

WM8960 on Pi detected but not working

I am trying to create custom board with WM8960 IC with Raspberry Pi. I am able to use Wolfson drivers for pi to detect the IC via I2C but I am not able to play or record any audio. This is the ...
Akshit's user avatar
  • 19
1 vote
2 answers
3k views

Generating i2s Clock Signals

I am trying to design a Pi Hat to integrate my Raspberry Pi 3 for use as an automotive head unit. I have a Texas Instruments TAS6424 and some supporting components, and am trying to design a DAC PCB ...
Karthik Karyamapudi's user avatar
1 vote
0 answers
1k views

ADC input to raspberry pi - I2C vs I2S

I'm trying to create a microphone array and take readings into a raspberry pi. I'm having an 8 bit ADC connected to the pi via I2C (SCL and SDA pins). I'm able to read samples (0-255) into my pi using ...
Kevin Martin Jose's user avatar
1 vote
1 answer
3k views

I2S interface ideas for multiple MEMS microphones

I plan on forming a microphone array with 4 MEMS microphones and doing the signal processing(beamforming) in matlab/C on my PC. MEMS mics i use have Digital I²S interface with high precision 24 bit ...
vasf's user avatar
  • 63