| 摘要 |
PURPOSE: A vending machine is provided to indicate the recommendation beverage according to temperature and humidity by connecting a temperature and humidity sensor to a display and a selection button. CONSTITUTION: A vending machine comprises a main body. A selling display unit, a recommendation drink display unit and a sold out sign unit are displayed in main body column display of the vending machine. The recommendation drink display unit is turned on as a blue LED. The sold out sign unit is turned on as a red LED. A recommendation beverage display and present temperature and humidity display unit is formed on the right side upper edge of the vending machine main body. |
