Desk Fan

So I built this 12 volt desk fan. The motor and power supply I got from Amazon ( https://www.amazon.com/gp/product/B078MSFFH5/ref=oh_aui_detailpage_o01_s01?ie=UTF8&psc=1 and https://www.amazon.com/gp/product/B019Q3U72M/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1)

I wired it to an Arduino Nano with an OLED display and buttons so I can control the speed of the fan and the temperature it tuns on at... I may have gone a bit overboard. If you would like the Arduino sketch or a list of the compo