... 2)we also can design new one for customer requirement vacuum controller(vacuum cleaner) with motor adjustment specification:1)PCB ParametersBoard thickness:1 ... microprocessor control curcuit, used in high-power single-phase series excited motor for varieties of high-power inductive and capacitive ... and the use of microcomputer control curcuit.PCB,PCBA,LED vacuum controller/vacuum cleaner PCB,PCBA,LED