Menu control device

A menu control device for controlling a menu shown on an electronic device, the menu control device comprising:

• a casing;
• and
• a roller module installed in the casing, wherein the roller module comprises:
• a base;
• at least one elastic supporting arm connected with the base;
• at least one scroll wheel, wherein a rotation shaft of each scroll wheel is pivotally coupled to the corresponding elastic supporting arm, wherein a portion of each scroll wheel is exposed outside the casing, and each scroll wheel is rotated in response to an external pushing force;
• at least one encoder located beside the corresponding scroll wheel, wherein each encoder generates an encoding signal when the corresponding scroll wheel is rotated;
• at least one switch element located under the corresponding elastic supporting arm, wherein when an external pressing force is applied to one of the at least one scroll wheel and the corresponding elastic supporting arm is swung toward the corresponding switch element, the corresponding switch element is triggered by the corresponding elastic supporting arm, and a switching signal is generated by the corresponding switch element;
• a microprocessor electrically connected with the at least one encoder and the at least one switch element, wherein the microprocessor performs an item browsing operation on the menu according to the encoding signal, and the microprocessor performs an item selecting operation on the menu according to the switching signal;
• and
• at least one illumination module, and each of the at least one illumination module is located beside the corresponding switch element and electrically connected with the microprocessor, wherein when the microprocessor performs the item selecting operation on the menu according to the switching signal, the microprocessor controls the corresponding illumination module to emit a light beam.