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by leroylee13
Fri Feb 15, 2019 4:11 am
Forum: Scratch
Topic: Problem with the GPIO extension in Stratch 2
Replies: 3
Views: 4909

Re: Problem with the GPIO extension in Stratch 2

Did you find the fix for this? I just started using the GPIO and found the same issue with the 2 new GPIO blocks.
by leroylee13
Sat May 05, 2018 10:34 pm
Forum: Beginners
Topic: missing something trying to use ALSA
Replies: 2
Views: 288

missing something trying to use ALSA

I have been trying to capture the volume of an audio playback to eventually control a motor speed. After weeks of searching and trying everything I could find, I finally got the attached code to run (with a terrible delay). So I decided to format the card and start clean and load only what is needed...
by leroylee13
Tue May 01, 2018 6:08 am
Forum: Graphics, sound and multimedia
Topic: detect in Python volume of sound being played on pi 3b+
Replies: 1
Views: 401

detect in Python volume of sound being played on pi 3b+

I would like to be able to detect the volume of sound being played on pi 3b+ and use the value in Python to control external switch. I've read that PulseAudio or even ALSA can return volume, but I have no clue how to set it up or to obtain the value. My goal is to control open a skeleton jaw when vo...

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