Rental housing management system and method
A management system and rental house technology, applied in the field of rental house management system, it can solve the problems of non-payment of rent, the landlord's failure to deliver the house in time, etc., to achieve the effect of automation
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[0058] As an improved specific implementation, the amplifying circuit 311 includes:
[0059] Amplifying transistor Q1, the base of the amplifying transistor Q1 is coupled to a resistor R1 and then coupled to the infrared human body sensor 32, the collector is coupled to the resistor R2 and then connected to a power source, and the emitter is grounded;
[0060] Amplifying transistor Q2, the base of the amplifying transistor Q2 is coupled to the resistor R3 and then coupled to the collector of the amplifying transistor Q1, the collector of the amplifying transistor Q2 is coupled to the resistor R4 and then connected to the power source, the emitter is grounded, and also coupled Connected to the main control circuit 312, through the setting of the amplifying transistor Q1 and the amplifying transistor Q2, a two-stage amplification effect can be effectively realized, and the signal output by the infrared human body sensor 32 is well amplified.
[0061] As an improved specific implementat...
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