[Swlug] Have I found a bug?
Colin Law
clanlaw at gmail.com
Tue Jan 31 07:34:17 UTC 2023
Please use a volt meter to determine the actual state of the pins and see
what it shows.
Colin
On Tue, 31 Jan 2023, 01:51 Rhys Sage via Swlug, <swlug at mailman.lug.org.uk>
wrote:
> From my investigations, it seems that all the pins should work similarly
> but there seems an issue. As it's on two different Pi Picos, it looks
> generic. I threw it out there to see what others experience is but haven't
> heard anything back yet.
>
> Sometime - possibly at the weekend, I'll put a 1K resistor and an LED on
> pin 16 since that's coded for use also. It will be very interesting if pin
> 14 and pin 16 agree but disagree with the onboard pin 25 LED. It will be
> even more interesting if pins 14 and 16 disagree and stunning if pin 25 is
> different again.
>
> When I'm at work, during my break I am working on a different project
> using an Adafruit Arduino Metro. That's coded in C++. This will use 4 of
> the onboard ADCs - assuming they're better than the somewhat laughable Pi
> Pico ADC to read the inputs from 4 CDS cells. The result will be output via
> TIP120s to power two electric motors with reduction gearing. The aim is to
> track the sun perfectly so that a magnifying glass can track the sun,
> focussed on a 1 cent coin. I want to see if I can melt the coin by the
> power of the sun.
>
> --
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>
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