this post was submitted on 08 Jun 2026
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OLED maybe but small micros are now so cheap and so small that they're negligible.
Battery is probably still the biggest environmental impact.
One of those 3 cent one time programmable microcontrollers would be sufficient. Something with enough power to run a web server is just wasteful.
You do realize that a 1 cent microcontroller has enough RAM, Flash and processing power to be a web server, correct?
And the term web server doesn't mean it has to run the whole of AWS. It just means it can deliver some content over http.
Getting ever closer to smart dust.