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    <title>Raspberry Pi Pico on 知识铺的博客</title>
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      <title>Pico 用 urequests 发 HTTP 请求：从 DHCP 拿 IP 到完整客户端实现</title>
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      <pubDate>Wed, 02 Sep 2026 00:00:00 +0000</pubDate>
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      <description>向 httpbin.org 的测试端点发送 GET 请求后，MicroPython urequests 返回的状态码为 200，且 JSON 里包含 origin 与 headers 字段。Pico 先通过 DHCP 拿到动态 IP，再用同一套代码完成 POST、PUT、DELETE 等方法验证，整个流程无需手动配置网络参数。 这套组合让 Raspberry Pi Pico 在嵌入式场景下快速变成能跟云端交互的设备。很多初</description>
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