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mtongnz / ESP8266_ArtNetNode_v2

ESP8266 based WiFi ArtNet to DMX, RDM and LED Pixels
GNU General Public License v3.0
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BPM detection #109

Open Cysign opened 5 years ago

Cysign commented 5 years ago

As far as I kno that ESP2866 has an analog in. As some Arduino projects for sound detection are based on the MSGEQ7 I wonder if a bpm-detection for stand-alone-mode would be possible.

If ArtNetNode might be able to save a programm adding a microphone and a MSGEQ7 to the ESP2866 might be the key for BPM-detection - which is the only thing I might miss on the ArtNetNode.

How difficult might the software-extension be?

ScholliYT commented 5 years ago

This would be more of anohter project if I get your idea right. What you want is a DMX outputting device that has some BPM detection with microphone, right?

I did something similar with sofware sided bpm detection. So I'm just sending over the DMX data (what this project is for) and do the sound2light on my pc.

Cysign commented 5 years ago

It's more like an externsion. I'd like to have stored scenes/chases which respond to BPM. I wouldn't build it as an indepndent or a softwarebased system.

ulri-me commented 1 year ago

The main problem you have is that bpm detection requires a constant polling of the ADC value coming in to check for the amplitude peaks in sound intensity.

This is not possible as the target hardware has a single core cpu only which stops the actual code execution constantly to perform the assember code and output actual byte data.

The additional question I have as well is this: What would you do with this value? You would also need to perform a full rewrite of the whole stand-alone output library, as you would have to calculate the correct output step based on elapsed time since program startup and the current bpm measured.

Cysign commented 1 year ago

In my band room there is everything connected using DMX. So setting an animated colorsheme while jamming or listening to music, it could be synchronized to the ambient sound ;)

So on an dualcore ESP32 this might be possible, as it has two cores. Maybe I'll get into it one day...