An old man self-developed ZD7090 home multi-anti-alarm alarm
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Can burglar alarms be made at home? On the morning of August 9th, Uncle Zhang, the provincial capital, showed reporters the burglar alarm he had made. According to its introduction, the alarm accessories are very easy to purchase in the market, a total cost of 15 to 35 yuan, the assembly process is also very simple, if anyone is interested, he is willing to teach the relevant technology to everyone.
The reporter saw that the anti-theft alarms used by Uncle Zhang were similar to those of the old-fashioned semiconductors, except that the alarms had three sockets, which were connected to the wires. In order to allow reporters to experience the role of anti-theft alarms, Zhang unleashed a demonstration on the spot. Uncle Zhang first connected one of the wires of the alarm to a wire (the wire on the non-alarmer) and then turned the switch on. "As long as the two connected wires are touched, the alarm will sound." Uncle Zhang said, touching the connecting wire with his finger, and the alarm rang.
According to Uncle Zhang, the other two wires on the alarm also have different roles. One of the wires and the micro switch can be connected in series and installed on the anti-theft network. Once the thieves climb in, they will break the wires. It will automatically alarm; and another wire and micro switch, etc. can be combined to ring or ring can be installed in the doors and windows, etc., at the touch of a ring. Said Zhang uncle also showed the alarm two other alarm methods.
According to Uncle Zhang, he began to study some electronic technologies related to engineering automation from the 1960s and 70s. In 1992, he had made an anti-theft device. Later, after a gradual improvement, he had a current ZD. - Seventy-nine home multi alarms." This type of alarm has so far been successfully alarmed at home, and now many of his relatives and friends use his homemade alarm.
"This kind of alarm accessories is also very easy to buy in the market," Uncle Zhang told reporters, this "ZD--7090 home multi-anti-alarm" is the use of IC chips, transistors and thyristors and other accessories assembled A total of 15 to 35 yuan is spent, and the assembly process is very simple and convenient. And it has a small appearance and consumes less power. It can be used for anti-theft of balconies, bedroom doors and windows, small houses and vehicles.
"In the beginning, I developed the ZD--7090 Homeland Multi-Guard Alarm Device just to protect my family's safety. Now I want to help more people." Uncle Zhang stated that he is willing to teach about "ZD--7090 Homeland Multi-Security Alarm System." "The relevant technology for everyone.