Mount a dry-erase board and a plastic bin on the inside of a cabinet door with double-sided foam mounting tape.
用双面胶在橱门里面安装一块白板和一个塑料收纳箱。
To waterproof, simply find an old plastic container that will go over the front and back parts and use silicon sealent to fix them onto the double sided PCB.
至于防水，简单地找一个旧塑料容器，分开前面和背面，用硅密封胶把它们分别粘在PCB的两面上。
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