====== BUZZER ======

===== Module ID: B012 =====
{{::b012_overview.png?400|}}\\ 
===== Introduction =====
蜂鸣器模块里面有一个小小的发声装置。当模块施加高电平的时候就会“哔哔”作响。可以当报警器使用，也可以当车喇叭使用。\\ 

===== Feature =====
高电平状态，鸣响；\\ 
低电平状态，无声。\\ 


===== Symbol =====
{{::b012_icon.png?200|}}
===== Application =====

  * [[:B0114cn|B0114 地震报警器]]\\

===== Specification =====
Supply Voltage: 5V\\ 
Connection: RJ09 4P4C接口\\
Dimensions:  24x24x26.8 mm<sup>3</sup>（不含接线部分）\\ 

===== Version History =====
{{::b012_interface.png?200|}}\\ 
接口说明：\\ 
V: 5V电源；G：0V电源；D：数字量接口；A：模拟量接口；X：悬空接口

===== Version History =====
None