Difference between revisions of "Matrix - BAll-Rolling Switch"
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Revision as of 05:18, 4 December 2015
English
1 介绍
Matrix-BAll-Rolling Switch是一个是滚珠开关模块,用于测量物体是否倾斜。
2 特性
- GPIO,3.3/5V电平
- 体积小巧
- 2.54mm排针接口
- PCB尺寸(mm):16x16
- 引脚说明:
名称 | 描述 |
S | GPIO |
V | 电源5V |
G | 地 |
3 工作原理
模块默认输出高电平,当开关倾斜时,开关内的金属球珠就会滚动到一侧,导通触点,此时模块输出低电平。