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Inductive anti-theft alarm circuit 2 using RD627 sensor
Source: InternetPublisher:已注销 Keywords: Sensor inductive anti-theft alarm circuit analog circuit Updated: 2020/01/24
It consists of RD627 sensor Ai, 555 time base integrated circuit Az (for monostable trigger
), KD9 561 sound simulation circuit A3, etc. Its detection area can reach 100m2. The alarm duration
is determined by R4 and C4 and can be set for about half a minute.
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