obsidian-notes/电量检测.md at e873be5c6f2d792f40e646dbbd442a403b4d6fb2 - obsidian-notes - Gitea: Git with a cup of tea

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 title: 电量检测
 updated: 2022-01-11 08:57:42Z
 created: 2022-01-08 13:18:04Z
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 通过电压推测可用电量，简单，误差大
 通过库伦计计算可用电量，准确，需要专用IC
 简单应用测电压足够