Search found 5 matches

by vibro_tech
Thu Aug 27, 2020 10:40 am
Forum: ESP32 IDF
Topic: Stack Overflow Error after enabling MQTT
Replies: 1
Views: 105

Stack Overflow Error after enabling MQTT

Hi, I have been working on esp32-wroom-32u + ESP-IDF + Eclipse with different sensors. There were no problem. I wanted to try a new sensor which has 512 * 7 byte FIFO memory. I get strange errors and could not find a solution. The code works like this: 1. Initialize NVS 2. Initialize Wifi and connec...
by vibro_tech
Tue Jun 30, 2020 7:02 am
Forum: ESP32 IDF
Topic: PDM-mode of I2S peripheral through i2s driver
Replies: 6
Views: 3936

Re: PDM-mode of I2S peripheral through i2s driver

Just following up. Has anyone success with PDM mic working?
by vibro_tech
Tue Jun 30, 2020 6:58 am
Forum: General Discussion
Topic: I2S PDM Mode - Wrong Output
Replies: 1
Views: 365

Re: I2S PDM Mode - Wrong Output

Hi,
I am using ESP-IDF (not Arduino) and get similar results. I posted below and got no response. Still trying. did you find a solution?

viewtopic.php?p=61903&sid=b05d48ffb3afb ... 2e0#p61903
by vibro_tech
Thu Jun 25, 2020 5:57 am
Forum: ESP32 IDF
Topic: I2S PDM Microphone: data is not correct
Replies: 1
Views: 356

Re: I2S PDM Microphone: data is not correct

No one is dealing with I2S microphones nowadays?
by vibro_tech
Mon Jun 22, 2020 6:51 am
Forum: ESP32 IDF
Topic: I2S PDM Microphone: data is not correct
Replies: 1
Views: 356

I2S PDM Microphone: data is not correct

Hi, I tried the linked codes (https://github.com/espressif/esp-idf/issues/1758#issuecomment-377944638) in order to get simple data from SPG08P4HM4H-1 (MEMS Digital Mic with Single Bit PDM Output) but I get all the same data. I used @kewalmshah's code with small save and print addition as shown below...

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