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		<title>旧手机装个应用，比便宜摄像头还清楚</title>
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		<dc:creator><![CDATA[steve, zhang]]></dc:creator>
		<pubDate>Fri, 07 Aug 2026 19:15:19 +0000</pubDate>
				<category><![CDATA[经验与技巧]]></category>
		<category><![CDATA[IP摄像头]]></category>
		<category><![CDATA[安卓技巧]]></category>
		<category><![CDATA[家庭监控]]></category>
		<category><![CDATA[旧设备改造]]></category>
		<category><![CDATA[智能家居]]></category>
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					<description><![CDATA[家里想多盯一个角落——阳台、猫窝、老人房门口——处境往往很尴尬：现有摄像头都占着岗，为这点小事再买一台又太浪费 [&#8230;]]]></description>
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<p class="wp-block-paragraph">家里想多盯一个角落——阳台、猫窝、老人房门口——处境往往很尴尬：现有摄像头都占着岗，为这点小事再买一台又太浪费。How-To Geek 撰稿人 Adam Davidson 就卡在这儿：女儿养的仓鼠白天多在睡觉，得反复跑去看醒没醒。翻抽屉时他找到一台还能开机的三星 Galaxy S8，1200 万像素后摄完好，这就够了。</p>



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<h2 class="wp-block-heading">三步把手机变成网络摄像头</h2>



<ol class="wp-block-list"><li>装上免费的 IP Webcam（含广告版本免费；中国内地可在可信的第三方应用市场获取），并在系统里给足摄像头、麦克风、存储权限</li><li>进「视频设置」定分辨率，老机器选 720p 足够；再进「本地广播」设一组登录名和密码，别让局域网里谁都能看</li><li>滑到列表最底部点「启动服务器」，界面上会显示形如 192.168.x.x:8080 的地址。同一 Wi-Fi 下的电脑或平板，浏览器打开这个地址就能看实时画面</li></ol>



<p class="wp-block-paragraph">到这一步，这台手机就是一台标准的局域网 IP 摄像头了。</p>



<h2 class="wp-block-heading">想要移动侦测提醒，再加一步</h2>



<p class="wp-block-paragraph">Davidson 在 Home Assistant 里装了 Android IP Webcam 集成，填入手机 IP、用户名和密码，就会生成一组传感器，其中包括 Motion Active（移动侦测）。他把侦测区域框在仓鼠笼内部，做了条自动化：检测到动静就推通知，并加了冷却时间——否则仓鼠一活跃，通知能把手机刷爆。</p>



<h2 class="wp-block-heading">别让它一直插着充电</h2>



<p class="wp-block-paragraph">持续推流很费电，但老机型没有新机那种充电保护，长期吊在 100% 是慢性伤害。Davidson 的办法是把充电器插在智能插座上，Home Assistant 伴侣应用能读到手机电量，到 80% 断电，掉到 20% 再通电。</p>



<p class="wp-block-paragraph">说白了，这套方案的边界很清楚：画质比同价位廉价 Wi-Fi 摄像头强，短板是没有夜视，只适合白天。抽屉里那台旧手机扔了可惜、卖也卖不上价，不如让它站个岗。</p>



<p class="wp-block-paragraph">来源：How-To Geek</p>
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