//炬火不止,前进不息

对某校园热水表的物理破解

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每次用水都得用一个 App 连接蓝牙用水,App 烂就不说了,水费还巨贵。

开学就想过破解方法,先是从软件层面入手,但是破解软件再更新了就不能用了(软件强制更新,除非打开时断网才能进入 App),这种方法不能长久。再一个是蓝牙中间人攻击,这个方案可以很容易实现,但是每次用都得复杂的操作,实在是太不优雅了。

因此,从硬件入手显然是最好的。
方法自己研究出的,EE专业的很容易看懂,细节就不多说

拆开,将计流器的黄色线与电磁阀的黑色线连接

供电是 12v 的供电,意味着这东西可玩性极高,这里就不便细说了

补充几张保密画质的图片

热水表1
热水表2
热水表3
盗用热水本身是一件不光彩的事,但是追寻源头还是水费定价的不合理
最后,本文仅作学习与交流,禁止模仿以及一切不正当行为及违法行为,造成后果本人概不负责

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  4. fffzzl

    然后老师找上门查水表

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