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.
Yeah, I doubt it's running more than a couple concurrent connections. Idle web servers take very little resources.
Getting ever closer to smart dust.