Rotary Display Table - Variable Speed

Variable-speed, motorized display table or photography turntable. Not perfectly smooth or as quiet as I'd hoped, so left as WIP.

Parts
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[6V N20 gearhead motor - 30RPM as-built, 15RPM recommended](https://www.aliexpress.com/item/10RPM-15RPM-20RPM-30RPM-1-1000-DC-6V-Gear-Motor-High-Torque-Electric-Gear-Box-Motor/32900923481.html?spm=2114.search0204.3.122.50d1bd56tWrdhX&ws_ab_test=searchweb0_0,searchweb201602_3_10065_10068_10059_10884_5726811_10887_10696_100031_10084_10083_10103_10618_5726911_10307,searchweb201603_60,ppcSwitch_0_ppcChannel&algo_expid=d9467555-978d-4c54-91e8-55cf7ff20591-17&algo_pvid=d9467555-978d-4c54-91e8-55cf7ff20591&priceBeautifyAB=0)
[DC motor speed controller board](https://www.aliexpress.com/item/4-5-35V-90W-PWM-DC-Motor-Speed-Controller-Control-Regulator-Module-5A-Switch-Function-LED/32887666027.html?spm=a2g0s.9042311.0.0.27424c4dEw5kw9)
[DC jack DC099](https://www.aliexpress.com/item/5PCS-LOT-DC099-5-5-x-2-1mm-5-5-x-2-5mm-DC-Power-Jack/32847955