... )we also can design new one for customer requirement vacuum controller(vacuum cleaner) with motor adjustment specification:1)PCB ParametersBoard thickness:1 ... stability and low cost.5)Control curcuit functions, such as electric, pneumatic tools, linkage function, overload protection reminder and much ... the use of microcomputer control curcuit.PCB,PCBA,LED vacuum controller/vacuum cleaner PCB,PCBA,LED