Australia
Asked — Edited

Sparkfun MP3 Trigger Issue With Servos

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Hey guys,

I'm using the MP3 Trigger instead of "soundboard" in my Wall-e & found that I need to constantly release the servos for sound to work properly (using ReleaseAll() in scripts). Sometimes I lose sound completely.

If I setup a test project with a servo & the MP3 Trigger, the servo will shake/wobble whenever I slide the volume control up/down on the MP3 Trigger. Releasing the servo allows the volume control to work properly, even though sometimes I lose sound when selecting tracks.

If I setup a test project with the MP3 Trigger only, all ok (never lose sound).

Anyone experiencing this issue?


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Synthiam
#1  

I should never have put a slider volume like that - sorry. The slider sends a command for every volume position to the ez-b. that takes up the entire bandwidth.

latest ARC solves that issue

Australia
#2  

Thanks DJ,

Installed the latest ARC, the shaking servo issue is gone:) (brilliant work).

Still losing sound intermittently though... have to use "ReleaseAll()" in scripts for sounds/tracks to play. Sometimes sound is lost completely & have to turn off/reboot the ez-b for the MP3 Trigger to start working again.

It would be great to know if others have this issue as it could be that I have a faulty MP3 Trigger.

WALL-E is coming along nicely, I'll be posting pics in the "showcase" area.

PRO
Synthiam
#3  

I've had issues with baud timing with that piece. Opensource stuff always gives me issues:( ill take a look again. Try a different Io port see if it goes away. If so tell me what port it works on

What port are you using now?

Australia
#4  

Thanks DJ,

At the moment I'm using D0.

I'll try different ports & let you know if it makes a difference.

Australia
#5  

Hi DJ,

I tried different ports, but all behave the same way. Whenever servos are involved, sound will be lost intermittently :(

PRO
Synthiam
#6  

Do u mean u cant trigger a sound or the sound stops playing?

Australia
#7  

I can initially trigger sounds with scripts, but if I use the "dance" script for example, then sounds will stop until I restart the ez-b.

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Synthiam
#8  

Can you expand on that. Stop? Or not be able to trigger again?

I need to know if the sound that is currently playing completely STOPS. Or if the soudn continues to play, but no other sounds can play.

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