DIY Bluetooth Speaker With RGB Music Light | Candy Marble Effect from PVC Tube
DIY Bluetooth Speaker Using PVC Pipe D 8“ & 8mm Acrylic White Transparent
Battery 18650:
18650 Battery Holder :
3S 20A BMS Lithium Battery 18650 Charger :
2A lithium 18650 Battery Charger :
5A XL4015 DC-DC Step Down Adjustable :