20240314-0000
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<td>给单片机供电</td>
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</tr>
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<tr>
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<td>OUT+</td>
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<td>灯光电源正极</td>
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</tr>
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<tr>
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<td>OUT-</td>
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<td>LED-</td>
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<td>灯光电源负极</td>
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</tr>
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<tr>
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<td>COM</td>
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<td>继电器控制端,使用飞线与灯泡正极相连</td>
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<td>LDE+0</td>
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<td>灯光电源正极0(默认连接点)</td>
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</tr>
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<tr>
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<td>NO</td>
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<td>继电器长开端,使用飞线与OUT+相连</td>
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<td>LDE+1</td>
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<td>灯光电源正极0(默认连接点)</td>
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</tr>
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</table>
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## 5. 电路原理图
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## 6. 电路PCB图
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## 7. BOM表
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[BOM表](BOM_Board1_Schematic1_2024-03-08.xlsx)
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| 序号 | 数量 | 名称 | 备注 |
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| ---- | ---- | ---- | ---- |
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|1 |3 |5.08mm x 2P 接插件 |CN1,CN2,CN3|
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|2 |4 |M3螺丝 |SCREW1,SCREW2,SCREW3,SCREW4|
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|3 |1 |电压转换小板 24V转5V |U1|
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|4 |1 |12V电压控制板 |U3|
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|5 |1 |5V单路继电器模块 |U4|
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| 序号 | 数量 | 名称 | 备注 | 链接 |
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| ---- | ---- | ---- | ---- | ---- |
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|1 |2 |5.08mm x 2P 压线端子||[购买链接]()|
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|1 |2 |5.08mm x 3P 压线端子||[购买链接]()|
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|2 |20 |M3铜柱 ||[购买链接]()|
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|3 |2 |电压转换小板 24V转5V ||[购买链接](https://item.taobao.com/item.htm?_u=223gacpk9e24&id=672820218180)|
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|4 |1 |12V电压控制板 ||[购买链接](https://detail.tmall.com/item.htm?_u=223gacpk20c2&id=679645885876&spm=a1z09.2.0.0.1d192e8ddSQMWO)|
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|5 |1 |5V单路继电器模块 |(红板)1路 5V|[购买链接](https://detail.tmall.com/item.htm?abbucket=11&id=607753600593&ns=1&skuId=4438277830786&spm=a21n57.1.0.0.2d93523cnY5XwH)|
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|6 |1 |Orangepi Zero2W开发板|OPi zero2W 4G+OPi zero2W 24P转接板|[购买链接](https://detail.tmall.com/item.htm?abbucket=11&id=607753600593&ns=1&skuId=4438277830786&spm=a21n57.1.0.0.2d93523cnY5XwH)|
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|7 |1 |TF卡|128G 读速130MB/s|[购买链接](https://detail.tmall.com/item.htm?_u=e23gacpkd6e7&id=672970757487&spm=a1z09.2.0.0.5a362e8dioYwwM&skuId=5020682171825)|
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# 12V 卤素光源电路板
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## 1. 设计目的
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设计并制作一个12V 卤素光源电路板,该电路板能够提供稳定的12V电压,并能够控制卤素光源的开关。
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## 2. 设计要求
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- 电路板应能够提供范围在0V到12V之间的电压。
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- 通过单片机发送PWM信号控制场效应管输出对应电压。
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- 通过单片机发送高低电平控制继电器开关卤素光源的开关。
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- 外部接入12V电压,通过5V降压小板提供稳定的5V电压给与单片机和继电器模块。
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## 3. 使用模块
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- 12V PWM MOS管降压模块 [购买链接](https://detail.tmall.com/item.htm?_u=223gacpk20c2&id=679645885876&spm=a1z09.2.0.0.1d192e8ddSQMWO)
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- 12V转5V降压小板 [购买链接](https://item.taobao.com/item.htm?_u=223gacpk9e24&id=672820218180)
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- 5V 继电器模块 [购买链接](https://detail.tmall.com/item.htm?abbucket=11&id=607753600593&ns=1&skuId=4438277830786&spm=a21n57.1.0.0.2d93523cnY5XwH)
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## 4. 输入输出
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<table>
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<tr>
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<td>输入</td>
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<td>作用</td>
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</tr>
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<tr>
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<td>+12V</td>
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<td>主供电</td>
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</tr>
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<tr>
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<td>PWM</td>
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<td>调节电压</td>
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</tr>
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<tr>
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<td>SW</td>
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<td>控制开关</td>
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</tr>
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</table>
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<table>
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<tr>
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<td>输出</td>
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<td>作用</td>
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</tr>
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<tr>
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<td>+5V</td>
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<td>给单片机供电</td>
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</tr>
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<tr>
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<td>OUT+</td>
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<td>灯光电源正极</td>
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</tr>
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<tr>
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<td>OUT-</td>
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<td>灯光电源负极</td>
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</tr>
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<tr>
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<td>COM</td>
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<td>继电器控制端,使用飞线与灯泡正极相连</td>
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</tr>
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<tr>
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<td>NO</td>
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<td>继电器长开端,使用飞线与OUT+相连</td>
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</tr>
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</table>
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## 5. 电路原理图
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## 6. 电路PCB图
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## 7. BOM表
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[BOM表](BOM_Board1_Schematic1_2024-03-08.xlsx)
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| 序号 | 数量 | 名称 | 备注 | 链接 |
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| ---- | ---- | ---- | ---- | ---- |
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|1 |3 |5.08mm x 2P 接插件 |CN1,CN2,CN3|[购买链接]()|
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|2 |4 |M3螺丝 |SCREW1,SCREW2,SCREW3,SCREW4|[购买链接]()|
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|3 |2 |电压转换小板 24V转5V |U1|[购买链接]()|
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|4 |1 |12V电压控制板 |U3|[购买链接]()|
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|5 |1 |5V单路继电器模块 |U4|[购买链接]()|
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