I was wondering if it was possible to connect two Arduino together in a Crossfire or SLI configuration, this could allow for double speed or twice as many sensors for my latest project, I am using Biro Cad to make some schematics for my latest project to save on essential items during lockdown which i hope to post in due course, Regards and many thanks in advance
I'm surprised that an old gent is familiar with the terms "Crossfire" and "SLI". Those are the domains of "high-end" PC gamers in their 20s and 30s.
To answer your question, just get a beefier MCU. A Cortex-M4 or Cortex-M7 is probably enough for what you are trying to accomplish (unless you are building the navigation system of the Space shuttle)
No, that is not possible.
There are many chips for extra I/O pins, for example shift registers or I2C devices with I/O, or chips from ledstrips (without the leds) for more than hundred outputs via a single pin, and many many more ways for extra I/O.
A Arduino MKR board with a SAMD21G processor is faster than a Arduino Uno with a ATmega328P.
Some Arduino users have many delay() in the sketch. Upgrading to a faster Arduino board does not help in that situation, because a delay of 1 second on the slow board is also a delay of 1 second on the fast board.
Some projects with many sensors are not even possible.
Perhaps you should tell about your project before getting into trouble :o
I am trying to limit the use of toilet paper in the bathroom and i know it sounds a bit odd but when you think of the big picture its a very wastefull event with lots of resources used to simply throw away and it does not seem right in all honesty, i just want to get people thinking about it and try and come up with some solutions in the hope that something good could arise, my approach is a bit whacky i know but its for good intention and these ideas could be useful in other areas, we have to see how it pans out, no pun intended, Regards
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