Search found 25 matches

by xenpac
Mon Jun 03, 2024 3:08 pm
Forum: ESP-IDF
Topic: I2S PDM mode - support for stereo microphones?
Replies: 8
Views: 13359

Re: I2S PDM mode - support for stereo microphones?

The example code here https://github.com/espressif/esp-idf/tree/master/examples/peripherals/i2s/i2s_basic/i2s_pdm will support stereo input. mic left = L/R select to Vdd. Dataout on CLK high mic right=L/R select to GND. Dataout on CLK low i build this setup, however getting a noise when both mics ar...
by xenpac
Mon Jun 03, 2024 2:29 pm
Forum: Hardware
Topic: ESP 32 S3 DEVKIT C - digital PDM microphone problem
Replies: 1
Views: 914

Re: ESP 32 S3 DEVKIT C - digital PDM microphone problem

Make shure the mic is getting 3.3V supply.
too low volume happens if supply is just 1.8 or so.
by xenpac
Sat Oct 22, 2022 5:26 pm
Forum: General Discussion
Topic: Is having 2 IDF versions installed for development possible?
Replies: 9
Views: 13510

IDF installer, multible IDF versions, Win7

So yes, its working. just installed 4.2 and then 4.4.2. creating each a cmd-shortcut. ( i start liking windows;) compiles fine, even in parallel. i used an example project. Some observations: if you re-run the installer to modify your installation, make sure u select "existing idf" with path to esp-...
by xenpac
Sat Oct 22, 2022 4:03 pm
Forum: General Discussion
Topic: Is having 2 IDF versions installed for development possible?
Replies: 9
Views: 13510

IDF installer, multible IDF versions

I just re-activated an older PC running WIN7: Windows 7 Ultimate Version 6.1.7601 Service Pack 1 Build 7601, for my devel work. It got powershell: CLRVersion 2.0.50727.8805 BuildVersion 6.1.7601.17514 PSVersion 2.0 WSManStackVersion 2.0 PSCompatibleVersions {1.0, 2.0} SerializationVersion 1.1.0.1 PS...
by xenpac
Thu Mar 10, 2022 10:17 am
Forum: General Discussion
Topic: Howto get idf version of older compiled project
Replies: 3
Views: 2306

Howto get idf version of older compiled project

i have an older compiled project of which i dont know the idf-version i used to compile it.
is there related information somewhere in the build directory to retrieve the used idf-version ?
by xenpac
Thu Jun 24, 2021 8:16 am
Forum: ESP-IDF
Topic: esp32 mesh, internet server on node
Replies: 0
Views: 1503

esp32 mesh, internet server on node

Good morning, i would like to setup an esp32-mesh network with one master-node being connected to the internet. The master-node could hook up to internet via cable or wifi(router accesspoint) as i understand, each node of the mesh network then can have internet access, ie. requesting connections to ...
by xenpac
Sat Apr 24, 2021 5:15 pm
Forum: General Discussion
Topic: esp32-cam ai-thinker, antenna, ext.antenna, your experience
Replies: 1
Views: 2292

esp32-cam ai-thinker, antenna, ext.antenna, your experience

i have several esp32-cam modules. they all have this pcd-antenna and an external connector via switchable resistor select. recently i ordered one of these standard external stick-antenna with short cable to connect to the boards antenna-socket. my wifi performance increased with the external antenna...
by xenpac
Thu Apr 22, 2021 12:54 pm
Forum: General Discussion
Topic: install.sh failed, ubuntu 16.04
Replies: 5
Views: 5214

Re: install.sh failed, ubuntu 16.04

success...

rm .rf .local was a bad idea.

had to run python3 get-pip.py again.

then install.sh worked fine
by xenpac
Thu Apr 22, 2021 9:39 am
Forum: General Discussion
Topic: install.sh failed, ubuntu 16.04
Replies: 5
Views: 5214

Re: install.sh failed, ubuntu 16.04

ok, what a drama.. python -m pip uninstall pip sudo apt remove pip sudo apt remove python-pip sudo apt autoremove curl "https://bootstrap.pypa.io/pip/3.5/get-pip.py" -o "get-pip.py" python3 get-pip.py ... DEPRECATION: Python 3.5 reached the end of its life on September 13th, 2020. Please upgrade you...
by xenpac
Wed Apr 21, 2021 3:50 pm
Forum: General Discussion
Topic: install.sh failed, ubuntu 16.04
Replies: 5
Views: 5214

Re: install.sh failed, ubuntu 16.04

ok, followed the instruction. got: tom@LinuxLaptop:~/esp/esp-idf$ ./install.sh Detecting the Python interpreter Checking "python" ... Checking "python3" ... Python 3.5.2 "python3" has been detected Installing ESP-IDF tools Installing tools: xtensa-esp32-elf, xtensa-esp32s2-elf, xtensa-esp32s3-elf, r...