====== TIMER ======

===== Module ID: B021 =====
{{:timer.png?600|}}\\ 
===== Introduction =====
定时器是当有信号输入高电平并消失时，输出端不会马上关闭输出，而是延时一段时间后再关闭。\\ 


===== Feature =====
通过旋钮模块**（只能接旋钮）**可以控制定时时长（0-7秒），当输入端高电平信号消失时，输出端会稍等片刻（取决于旋钮角度）再关闭输出。\\ 


===== Symbol =====
{{::b021_iconv1.png?200|}}
===== Application =====

  * [[:b000|B000 Example]]\\

===== Specification =====
Supply Voltage: 5V\\ 
Connection: RJ09 4P4C接口\\
Dimensions: 24x24x26.8 mm<sup>3</sup>\\ 

===== Version History =====
{{::b021_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