采用FNTHEX32.DLL转换文本到图像的方式打印中文，部分代码属于搬运，杀毒软件可能报FNTHEX32.DLL是病毒，属于误报

The Barcode Label Designer software application was developed to design your own barcode label, add text, line, and picture. The Barcode Label Designer can be printed to inkjet, laser, and zebra barcode printer. The final design can be saved as XML format for reuse which can also be loaded from the saved XML file.

用arduino控制热敏打印机做成类似答案之书的道具，我们称他为手相机，手放上去触发开关舵机转动，switch函数保证每次按下都有不同的输出