From ed40c4c899aac11c4dd3073509d8855db685fc7d Mon Sep 17 00:00:00 2001
From: xin <renlixin@iris-rs.cn>
Date: Wed, 11 Nov 2020 14:10:21 +0800
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+# 时间继电器
+
+![image-20201111130351287](http://192.168.9.141:88/img/images/2020/11/11/image-20201111130351287.png)
+
+
+
+模式 P-36
+
+信号正极接 GPIO
+
+信号负极接 GND
+
+
+
+电源为5v
+
+
+
+控同通过信号正极来控制
+
+由低变高 开始计时 
+
+又高变低 再由低变高 重新计时
+
+由高变低 停止计时
+
+时间A 为喂狗间隔
+
+时间b 为断电时间 
+
+
+
+
+