4路继电器模块3.3V5V6V9V12V24V高低电平触发单片机扩展板STM32
4路继电器模块3.3V5V6V9V12V24V高低电平触发单片机扩展板STM32
![4路继电器模块3.3V5V6V9V12V24V高低电平触发单片机扩展板STM32 电子元器件市场 其它元器件 原图主图](https://img.alicdn.com/bao/uploaded/i1/2215463192782/O1CN01456v4c1WQCi84Ltcc_!!2215463192782.jpg)
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![4路继电器模块3.3V5V6V9V12V24V高低电平触发单片机扩展板STM32 - 图0](https://img.alicdn.com/i1/2215463192782/O1CN01jZN6QV1WQCiGg0Ht6_!!2215463192782.jpg)
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![4路继电器模块3.3V5V6V9V12V24V高低电平触发单片机扩展板STM32 - 图3](https://img.alicdn.com/i1/2215463192782/O1CN014RL1wk1WQCiGe4z7v_!!2215463192782.jpg)