The system (1) has a door (2), an open door alarm system (3) for signaling an open condition of the door. A motion detector system (4) is designed such that it is suppressed after detecting movement of an object by the door through signaling of the open condition of the door by ...
关键字:门控报警 门开报警器电路很简单,只用四个元件及9V电池组成,电路固定在门框上。 用舌簧开关S1作电路传感器.只要其外部有足够的磁场,开关就会接通,磁铁安装在门上,可通过实验得到磁铁与S1的最佳距离,使得门即使稍稍有点敞开,报警器也能发出报警声。如果门关闭.磁场就会使s1接通.达林顿晶体管T1基极接电池负极...
Coban GPS 103b Tk 103 Car GPS Tracker with Shock Sensor / Door Open Alarm System with Remote Control, Find Details and Price about GPS Tracker 4G Vehicle GPS Tracker from Coban GPS 103b Tk 103 Car GPS Tracker with Shock Sensor / Door Ope...
2024 Door Open Alarm Tuya Smart Passive Infrared Sensor 2G/4G GSM+WIFI Alarme System Kit IP Camera (Optional) No reviews yet Shenzhen Wale Group Co., Ltd.6 yrsCN Key attributes Industry-specific attributes Network wifi, GSM Other attributes...
Advanced Security Features: This multifunctional door alarm system offers a 2-in-1 design, providing users with a convenient doorbell and security alarm in one compact device, ensuring the safety and security of homes and businesses. Easy Installation: The alarm system is simple to install, allowin...
a8-10 SPI Regular thread sewing 8-10 SPI规则螺纹缝合 [translate] aThe system will also monitor the door and alarm if the door is forced open or held open too long after being unlocked. 系统意志也监测门并且惊动,如果门是牵强开放的或太长期使开放在开锁以后。 [translate] ...
Door open alarm . HomeService & SupportCommercial FreezersDoor open alarm . Question:Door open alarm . Answer: Content Feedback 1. Is this content useful ? NO 2. Please evaluate this content ? 3. Please give us some suggestion. Submit...
求翻译:DOOR OPEN ALARM是什么意思?待解决 悬赏分:1 - 离问题结束还有 DOOR OPEN ALARM问题补充:匿名 2013-05-23 12:21:38 开门报警 匿名 2013-05-23 12:23:18 DOOR OPEN ALARM 匿名 2013-05-23 12:24:58 DOOR OPEN ALARM 匿名 2013-05-23 12:26:38 DOOR OPEN ALARM...
Tuya Smart WiFi Door Sensor Door Window Open / Closed Detector Smart Life APP Control House Security Protection Alarm System Color: WHITE Product sellpoints App Remote Control for Convenience:Manage your home's security from anywhere with the smart life app, ensuring you're always in control. Com...
5. Widely used at door & window for home or business with burglar alarm system 1、Shipping Instructions: We will ship within 48 hours. If we encounter Saturday and Sunday, we will ship next Monday. 2、Instructions for our store: We are the manufacturer of alarm products. This shop is our...