... by us.we can make 1400W-2000W,and the power supply is 220V AC. vacuum cleaner controller(PCB,PCBA,LED): 1)The ... to adjust motor power, the technology small size, good stability and low cost.3)control circuit functions, such as electric, ... pneumatic tools, linkage function, overload protection reminder and much more. And the use of microcomputer control circuit.4)project commissioned ...