Re: Code Bounty

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Kat has been vague about the actual requirements, but why wouldn't a $10 ESP32 board do the same thing? Lots of I/O, wifi and bluetooth. Just set it up within range of your router, and connect to it with a PC, tablet, or cell phone. Reading and writing the ports is much simpler than doing the same with a Pi. Many more ports, and no need to learn Linux.

https://www.amazon.com/dp/B0718T232Z

Eu doesn't need to know how to access physical ports that way. You can set the ESP to talk any internet protocol that you want.

https://www.shenzhen2u.com/image/catalog/Module/NodeMCU-32S/nodemcu_32s_pin.png

Add $10 more and you get a local oled screen as well, with a built-in battery management system for a LiPo battery, but lose the use of some of the I/O pins.

https://www.amazon.com/dp/B076KJZ5QM

Compared to Kat's C64 - this probably has more processing power and certainly more I/O capability. Why risk plugging motors and such into a $1,000 pc, which is no longer designed or suited to the task, when it's easy and safer to isolate it with something that costs $10 to replace?

BTW: Kat, the term you are searching for is SCADA. https://en.wikipedia.org/wiki/SCADA (A.K.A. "expensive")

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