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# ATOMIC STEP MOTOR
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<el-tag effect="plain">SKU:K042</el-tag>
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<div class="product_pic"><img src="assets/img/product_pics/atom_base/atomhub_switch/atomswitch.webp"><img src="assets/img/product_pics/atom_base/atomhub_switch/atomswitch_02.webp"></div>
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## 描述
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**ATOMIC STEP MOTOR** 是一款适用于ATOM Matrix/ATOM Lite的步进电机驱动模块,内置DRV8825驱动芯片,可用于驱动步进电机,通过调整可变电阻,最高可提供2.5A(24V 25℃条件下)的驱动能力,峰值输出电流3A。板载一个拨码开关,可灵活调整步进细分数。在使用时需要提供外部电源供电。
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## 产品特性
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- 适用于ATOM Lite/ATOM Matrix
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- 最高32细分
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- 最高2.5A驱动电流
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- 工作状态指示灯
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## 包含
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- 1x Atomic Step Motor
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## 应用
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- 步进电机控制器
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## 规格参数
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<table>
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<tr style="font-weight:bold">
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<td>规格</td>
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<td>参数</td>
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</tr>
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<tr>
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<td>细分数</td>
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<td>最高1/32</td>
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</tr>
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<tr>
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<td>输出电流</td>
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<td>最高2.5A,峰值3A</td>
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</tr>
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<tr>
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<td>供电电压</td>
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<td>9V-24V</td>
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</tr>
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<tr>
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<td>接口</td>
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<td></td>
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</tr>
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<tr>
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<td>净重</td>
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<td>134g</td>
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</tr>
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<tr>
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<td>毛重</td>
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<td>158g</td>
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</tr>
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<tr>
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<td>产品尺寸</td>
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<td>72*40*30mm</td>
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</tr>
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<tr>
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<td>包装尺寸</td>
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<td>104*77*35mm</td>
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</tr>
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<tr>
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<td>外壳材质</td>
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<td>Plastic ( PC )</td>
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</tr>
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</table>
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## EasyLoader
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>EasyLoader是一个简洁快速的程序烧录器,其内置了一个产品相关的案例程序,通过简单步骤将其烧录至主控,即可进行一系列的功能验证.**(程序烧录前,请根据设备类型安装相应驱动程序. M5Core型主机[请点击此处查看CP210X驱动安装教程](zh_CN/arduino/arduino_development?id=安装串口驱动),M5StickC/V/T/ATOM系列可免驱动使用)**
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<div class="easyloader-box">
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<div style="background-color:white;">
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<div><img src="https://m5stack.oss-cn-shenzhen.aliyuncs.com/image/easyloader_intro.webp"></div>
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<div class="easyloader-btn">
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<a href="https://m5stack.oss-cn-shenzhen.aliyuncs.com/EasyLoader/Windows/ATOM_BASE/EasyLoader_AtomHubSwitch.exe">Windows</a>
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<a href="https://m5stack.oss-cn-shenzhen.aliyuncs.com/EasyLoader/MacOS/ATOM_BASE/EasyLoader_AtomHubSwitch.dmg">MacOS</a>
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</div>
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</div>
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<div>
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<video id="example_video" controls>
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<source src="https://m5stack.oss-cn-shenzhen.aliyuncs.com/video/Product_example_video/AtomBase/AtomSwitch.mp4" type="video/mp4">
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</video>
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<div class="easyloader-mask">
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<a>
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<svg id="play-btn" t="1583228776634" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="4152" width="75" height="75"><path d="M512 0C229.216 0 0 229.216 0 512s229.216 512 512 512 512-229.216 512-512S794.784 0 512 0z m0 928C282.24 928 96 741.76 96 512S282.24 96 512 96s416 186.24 416 416-186.24 416-416 416zM384 288l384 224-384 224z" p-id="4153" fill="#007aff"></path></svg></a>
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<p>案例描述:</p>
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<p>按键控制开关,呼吸灯状态表示继电器序号及开关状态,当红灯或绿灯亮起时按下按键切换状态</p>
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</div>
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</div>
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</div>
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## 相关链接
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- **Datasheet**
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- [SP485EE](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/hat/SP485EEN_en.pdf)
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### 管脚映射
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<table>
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<tr><td>ATOM</td><td>22</td><td>19</td><td>33</td><td>23</td><td>25</td><td>21</td></tr>
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<tr><td>ATOM HUB SWITCH</td><td>Relay1</td><td>Relay2</td><td>RX</td><td>TX</td><td>SDA</td><td>SCL</td></tr>
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</table>
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### 细分设置
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<table>
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<tr><td>拨码开关</td><td>1</td><td>2</td><td>3</td><td>4</td></tr>
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<tr><td>Full-step</td><td>Low</td><td>Low</td><td>Low</td><td>High</td></tr>
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<tr><td>Half-step</td><td>High</td><td>LoW</td><td>LoW</td><td>High</td></tr>
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<tr><td>1/4 step</td><td>Low</td><td>High</td><td>Low</td><td>High</td></tr>
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<tr><td>1/8 step</td><td>High</td><td>High</td><td>Low</td><td>High</td></tr>
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<tr><td>1/16 step</td><td>Low</td><td>Low</td><td>High</td><td>High</td></tr>
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<tr><td>1/32 step</td><td>Hight</td><td>Low</td><td>High</td><td>High</td></tr>
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<tr><td>1/32 step</td><td>Low</td><td>High</td><td>High</td><td>High</td></tr>
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<tr><td>1/32 step</td><td>High</td><td>High</td><td>High</td><td>High</td></tr>
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</table>
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## 原理图
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<img src="assets/img/product_pics/atom_base/atomStepMotor/AtomicStepMotor_sch.webp">
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## 案例程序
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- Arduino代码示例 [点击这里](https://github.com/m5stack/M5-ProductExampleCodes/tree/master/AtomBase/AtomHubSwitch/AtomHubSwitch)
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- UIFlow代码示例 [点击这里](https://github.com/m5stack/M5-ProductExampleCodes/tree/master/AtomBase/AtomHubSwitch/UIFlow)
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<img src="assets/img/product_pics/atom_base/atomhub_switch/uiflow_atomswitch.webp" width = "50%">
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<script>
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var purchase_link = 'https://m5stack.com/collections/m5-atom/products/atom-hub-switch-kit';
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anchor_search(purchase_link);
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scrollFunc();
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</script>
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