A control board is a type of board or panel that is used to control and monitor the operation of a system or device. It is typically composed of several components, such as switches, meters, and indicators, that are connected to the system or device in order to monitor and control its operation. Control boards are used in a variety of applications, from industrial machines to home appliances. In industrial settings, control boards are used to control and monitor the operation of machines and other equipment, such as pumps, conveyors, and motors. In home appliances, control boards are used to control the temperature, humidity, and other settings of the appliance. Control boards are also used in medical devices, such as pacemakers and ventilators, to monitor and control the operation of the device. Control boards are essential components of any system or device, as they provide the means to monitor and control its operation.