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Bizbee Sourcing
One-button key switch module compatible with Arduino MSI sensor module 51 development board kit ESP32
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CNY ¥ 1.4 ≈ $ 0.2
Real-time USD to CNY exchange rate:7.3206
International shipping not included
Specifications:
Hs-key1b-r key switch-red Hs-key1b-g key switch-green Hs-key1b-y key switch-yellow
Quantity:
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按键也称之为轻触开关,使用时以满足操作力的条件向开关操作方向施压,开关闭合接通;当撤销压力时开关即断开,其内部结构是靠金属弹片受力变化来实现通断的,正常情况下,按键的 1和2、3和4 脚是相连的;当我们按下按键时,四个脚相互接通;松开按键时,恢复正常状态。​ 我们的模块正常连接上后,模块的红色power灯亮起,当按键按下时,模块输出低电平,并且信号蓝色灯亮起,松开后蓝色灯熄灭,输出高电平。

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  • 名称:按键开关模块
  • 型号:HS-KEY1B
  • 工作电压:3.3V-5.5V
  • 接口类型:2.54mm排针
  • 安装方式:螺丝固定
  • 安装孔参数:孔径3mm,孔距10mm
  • 模块尺寸:31mm*18mm*16mm
  • 信号类型:数字信号
  • 信号行为:默认输出高电平,按住按键输出低电平,松开恢复输出高电平
  • 接口说明:GND接电源负极引脚G、VCC接电源正极引脚V、S数字信号输出引脚

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