Acousto-optic electronic logistics bill and using method thereof
A logistics order and electronic technology, applied in the field of logistics information, can solve the problems of error-prone, difficult sorting of paper logistics orders, and low efficiency, so as to improve the accuracy and speed, and avoid the problem of food waste and pollution.
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[0022] The present invention will be described in detail below in conjunction with the drawings.
[0023] See figure 1 , figure 2 The electronic logistics list based on sound and light shown includes a flat shell, which can be designed to be the size of an ID card. The shell is equipped with a micro control unit (MCU), power supply module, communication module and voice module. The voice module can be cost-effective High and small voice chip, which can realize simple voice reminder; LED display light group, liquid crystal display, speaker and switch buttons are arranged on the front of the shell; adsorption fixing device is arranged on the back of the shell; micro control unit and power supply module, communication module , Voice module, LED display lamp group, LCD display and switch button connection.
[0024] The LED display lamp group includes a plurality of light-emitting diodes with different light-emitting colors, figure 1 In the example, there are seven colors of light-emit...
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