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 manner, the amplifying circuit 311 includes:
[0059] An amplifying triode Q1, the base of the amplifying triode Q1 is coupled to a resistor R1 and then coupled to the infrared human body sensor 32, the collector is coupled to a resistor R2 and then connected to a power supply, and the emitter is grounded;
[0060] An amplifying transistor Q2, the base of the amplifying transistor Q2 is coupled with a resistor R3 and then coupled to the collector of the amplifying transistor Q1, the collector of the amplifying transistor Q2 is coupled with a resistor R4 and then connected to a power supply, the emitter is grounded, and 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 implemen...
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