I am using the ESP32-C3 and I power it with two AA batteries on the Vcc pin. Even though this works, I find that the ESP32-C3 will not operate under 3.0V . Which I think is strange, because I have set the brown-out level at 2.51V in the sdkconfig of my IDF project. (See picture below.) I also run th...

Ah, it turns out I forgot to check a box in the menuconfig

I have used both the ESP32-S3 and the ESP32-C3 (M5Stack Stamp devices.) On the EPS32-S3 I was able to create an interrupt-service-routine with this configuration: const esp_timer_create_args_t periodic_scan_timer_args = { .callback = &led_driver_scan_isr, .dispatch_method = ESP_TIMER_ISR, .arg = 0, ...

chris_oz wrote: ↑

Wed Apr 15, 2020 9:15 am

And that's it! You've got an array of 16-bit signed samples that are good to go.

Can you tell me... those samples you end up with, are they R,L,R,L,R,L...

Or only L?

Thanks!

rpiloverbd wrote: ↑

Sun May 01, 2022 8:30 am

Interesting. Thanks for sharing. Does it support any specific microphone? Or we can use it with any microphone we want?

It has an onboard microphone.

It just needs a connection from its line out to a line in, to record or hear it.

Hello, I am using the ESP IDF with an ESP32-S3 devkit. How can I get the serial number of the device, programmatically, using IDF? Note that I did find this statement ( https://esp32developer.com/programming-in-c-c/system/serial-number ) that the esp32 does not have one, and that the MAC address sho...

https://cdn.tindiemedia.com/images/resize/17fu4ElvO6vMzyuMw0D3LzVD-c4=/p/full-fit-in/2336x1752/i/394033/products/2022-04-29T19%3A13%3A52.208Z-voice_changer_case_inside..jpeg?1651235288 I built a voice changer with the esp32-devkitc-32e, using an i2s mic and i2s dac. It can make you sound like Kylo....

A Desk-side Stock Ticker using the ESP32-C3 (on an M5Stack Stamp-C board.) https://pbs.twimg.com/media/FQKNz5zVgAQFFqn?format=jpg&name=large It scrolls the stocks from the DOW-30 index. Video of the device in action: https://www.reddit.com/r/arduino/comments/u53kv4/stock_ticker_with_live_quotes_from...

I am trying to debug some I2S code I have, and thought I would turn down the sample rate really low. But the ESP32 does not seem to support low bit-rates? Because if I set it to 2400Hz, the samples are clocked much faster, then when I set it to 2434 Hz? What is the lowest sample rate that the ESP32 ...

Ah, Ok, I managed to do this. You can access credentials (after connecting) as: And I write them to flash, using the SPIFFS interface.