That’s what I was wondering for quite some time for developing a recreationa… aaaaah medical device using an esp32 that can control other hardware over Bluetooth. A sttetch sensor or pressure cuff might work, but it might be nicer not to have it work like a blood pressure measurement machine.

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Source: Illegal access dereferencing pointer 0x00000000000000000000000000000000000

I saw your username first.

Then I misread the rest as a Mallard Reaction.

Fun fact, some LED candles just use such a cheap chip connected to a LED instead of a speaker, so they’ll flicker… they’ll flicker the song all along.