Control system, driver and household appliance

The invention relates to a control system, a driver and a household appliance, the control system is used for a wall controller and controlling the rotating speed of a brushless direct current motor, and the control system comprises a mains supply module, an input module, a control module, an acquisition module and an output module; the input module, the control module and the acquisition module are sequentially connected in series; the output module is electrically connected with the brushless direct current motor; a zero line of the commercial power module is connected with the acquisition module, a live line of the commercial power module is connected with the input module, and a capacitor CAP is connected in parallel between the live line and the zero line of the commercial power module. The input module is used for connecting a live wire of the mains supply module and inputting a control signal to the control module; the control module is used for receiving a control signal of the input module and sendin