BBS:      TELESC.NET.BR
Assunto:  Re: PI PICO W minimum voltage..
De:       Computer Nerd Kev
Data:     Tue, 12 May 2026 08:38:17 +1000
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The Natural Philosopher  wrote:
> 
> This is a bit of a puzzle. My oil sensor stopped transmitting last 
> night. I replaced the batteries just now and its working again. The 
> voltage from is 3 x AA supply had dropped to 4.2V. This is supposed to 
> be enough to work a PICO W off? And IIRC on test it worked down to 
> around 3.8V or so.
> 
> 
> Anyone know more?

I don't know the Pico's power specs, but maybe there's resistance
on one of the electrical connections, such that the voltage drops
more under load than where and when you measured it?

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