6.2 RK3328 降噪板

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                        <h2 style="font-size: 1.25rem; font-weight: 600; color: #0969DA; margin: 0 0 5px 0;">RK3328降噪板</h2>
                        <p style="color: #36548B; margin: 0; line-height: 1.5;">产品文档与开发指南</p>
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                    <span class="aiui-arrow" style="display: inline-block; width: 20px; height: 20px; transition: transform 0.3s ease; color: #0969DA;">▼</span>
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            <a href="https://aiui-doc.xf-yun.com/project-1/doc-104/" target="_blank" style="text-decoration: none; color: #0969DA; display: block;">
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                    <div style="flex-grow: 1; padding: 15px 18px; display: flex; flex-direction: column; line-height: 1.6;">
                        <h3 style="font-size: 1.1rem; font-weight: 600; color: #666; margin: 0 0 6px 0;">产品白皮书</h3>
                        <p style="color: #666; margin: 0; flex-grow: 1; line-height: 1.4;">详解RK3328降噪板的技术原理、核心优势、应用场景及产品定位。</p>
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            <a href="https://aiui-doc.xf-yun.com/project-1/doc-106/" target="_blank" style="text-decoration: none; color: #0969DA; display: block;">
                <div class="aiui-card3" style="display: flex; flex-direction: column; height: 100%; background: white; border-radius: 6px; box-shadow: 0 2px 8px rgba(0,0,0,0.08); overflow: hidden; transition: all 0.3s ease; cursor: pointer; border-left: 5px solid #e6f0ff;">
                    <div style="flex-grow: 1; padding: 15px 18px; display: flex; flex-direction: column; line-height: 1.6;">
                        <h3 style="font-size: 1.1rem; font-weight: 600; color: #666; margin: 0 0 6px 0;">使用手册</h3>
                        <p style="color: #666; margin: 0; flex-grow: 1; line-height: 1.4;">包含RK3328降噪板的安装部署、功能调试、操作流程及注意事项。</p>
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            <a href="https://aiui-doc.xf-yun.com/project-1/doc-107/" target="_blank" style="text-decoration: none; color: #0969DA; display: block;">
                <div class="aiui-card3" style="display: flex; flex-direction: column; height: 100%; background: white; border-radius: 6px; box-shadow: 0 2px 8px rgba(0,0,0,0.08); overflow: hidden; transition: all 0.3s ease; cursor: pointer; border-left: 5px solid #e6f0ff;">
                    <div style="flex-grow: 1; padding: 15px 18px; display: flex; flex-direction: column; line-height: 1.6;">
                        <h3 style="font-size: 1.1rem; font-weight: 600; color: #666; margin: 0 0 6px 0;">产品规格书</h3>
                        <p style="color: #666; margin: 0; flex-grow: 1; line-height: 1.4;">详细列出RK3328降噪板的硬件参数、性能指标、接口定义及物理特性。</p>
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            <a href="https://aiui-doc.xf-yun.com/project-1/doc-108/" target="_blank" style="text-decoration: none; color: #0969DA; display: block;">
                <div class="aiui-card3" style="display: flex; flex-direction: column; height: 100%; background: white; border-radius: 6px; box-shadow: 0 2px 8px rgba(0,0,0,0.08); overflow: hidden; transition: all 0.3s ease; cursor: pointer; border-left: 5px solid #e6f0ff;">
                    <div style="flex-grow: 1; padding: 15px 18px; display: flex; flex-direction: column; line-height: 1.6;">
                        <h3 style="font-size: 1.1rem; font-weight: 600; color: #666; margin: 0 0 6px 0;">协议开发手册</h3>
                        <p style="color: #666; margin: 0; flex-grow: 1; line-height: 1.4;">介绍RK3328降噪板的通信协议、API接口及二次开发相关技术文档。</p>
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