DIY Rotary tumbler polishing Machine | Arduino project

PCBA from $0（Free Setup,Free Stencil): (New Users Get $30 Coupons) Hello friends In this video I have build a mini Rotary tumbler polishing machine, This machine is powered by Arduino and custom PCB User can set the time for tumbler rotation. Custom PCB used in this project 💻visit for more projects :- 👉 👉 👉 FB page :- My Gears :- 7 X 14 Mini lathe :- Bench drill machine :- Mini table saw :- Scroll saw :- 3D Printer : - Camera :- Video Light :- Rotary tool :-