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Is it just me, or do you end up installing raspbian over and over again on a complex project?

easyejl

I don't even think this project is all that complex. A raspberry pi 3b+ with a Waveshare WM8960 sound card, a generic 16 channel servo card, running google assistant with hotword recognition, running servos to move a puppet (and have the mouth move more or less in time with the speech).

 

I keep running into audio issues, where installing one thing or another ends up messing up the asound or pulseaudio config and then I lose output to the speakers. I got that card to simplify things as it has a tiny onboard amp and speakers, as well as built in microphone. But i'm now up to having reinstalled raspbian at least 8 or 10 times trying to get all the components to work together. I know I could scrap that card for this, add a usb microphone, and powered speakers but I don't have a usb mic handy, and I wanted this to all fit inside a moose head puppet. If I need another power supply on top of the pi + servo board (to drive the speakers) it seems like its gone a little too far image

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  • On a complex RPi project I usually start with 2-8G and 2-16G SD cards.

    Load all 4 with the latest raspbian image.

    load all "extra software and drivers" on the first 8G card and make sure to write down each step you used during the installs.
    Try and duplicate the system on the second 8G card, if it works OK, then save that image on a HD. This is your backup BASE image.

    Try and add some code, and every time you get a major feature working duplicate it on the second 8G.

    At the end of the day, make a copy of the working image.

    When you get to a point where you need more storage, switch to the 16G cards.

    Scott

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  • On a complex RPi project I usually start with 2-8G and 2-16G SD cards.

    Load all 4 with the latest raspbian image.

    load all "extra software and drivers" on the first 8G card and make sure to write down each step you used during the installs.
    Try and duplicate the system on the second 8G card, if it works OK, then save that image on a HD. This is your backup BASE image.

    Try and add some code, and every time you get a major feature working duplicate it on the second 8G.

    At the end of the day, make a copy of the working image.

    When you get to a point where you need more storage, switch to the 16G cards.

    Scott

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