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Engineer turns disposable vape pen into a working web server
(interestingengineering.com)
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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.