适用小区，写字楼，医院等有电梯的场景
https://www.aliyundrive.com/s/YnRN2d3PAvA
接线示意图
https://www.aliyundrive.com/s/sMD9LqFvKVc
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适用小区，写字楼，医院等有电梯的场景
https://www.aliyundrive.com/s/YnRN2d3PAvA
接线示意图
https://www.aliyundrive.com/s/sMD9LqFvKVc