My Fan Worked Fine, So I Gave it WiFi

I designed a fully revertible modification for a Vornado 633DC fan so I could control it remotely over WiFi. The final result is concealed entirely within the fan&rsquo;s housing, leaving no visible modification. If you&rsquo;re interested in building one yourself, I&rsquo;ve published the schematic, BoM , and PCB design on OSHWLab . In terms of firmware, I used ESPHome with an external component,…