PicoMite: can we explain/fix "ticking" when using PLAY SOUND

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Joined: 11/12/2012
Location: United Kingdom
Posts: 8673
Posted: 11:39am 20 Mar 2023      

  Quote  OK , is a battery "noisy" ?

Yes when it has all the junk that the RP2040 is adding to it. Try the SDcard approach.

Power the amp through a 10ohm resistor with 100uF and 100nF directly across the amp power pins