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Infrared anti-theft alarm circuit 2
Source: InternetPublisher:武林萌主 Keywords: Infrared anti-theft alarm circuit Updated: 2020/08/14
It can be used in automatic hand dryers, automatic hand washers and anti-theft alarms. It uses the
integrated infrared transmitting and receiving head TLP947 as the detection element , and controls the action of the relay KA through the operational amplifier A. When the light is
blocked, KA is activated to control the device or alarm device to be controlled.
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