Matrix - One Touch Sensor
From FriendlyELEC WiKi
Revision as of 08:54, 28 January 2016 by
Kangjing
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English
1
介绍
模块Matrix-One_Touch_Sensor是单点电容式数字触摸传感器模块,使用专用单键电容式触摸检测传感器TTP223,提供1个触摸键,人体触摸检测稳定,可替代传统的直接开关按键。模块默认输出低电平,当手指触摸触电时,模块输出高电平。
2
特性
使用标准的3 PIN接口
尺寸为 16x24mm
PCB尺寸(mm):16x24
引脚说明:
名称
描述
S
GPIO
V
电源5V
G
地
3
工作原理
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