Transponder-free entrance guard controller of electrombile
A non-responsive, electric vehicle technology, applied to instruments, time registers, single input port/output port registers, etc., can solve the problems of single fortification mode, not intelligent enough operation, not humane enough, etc.
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[0044] like figure 1 , 2 As shown, circuit boards and buzzers are installed in the shell cavity composed of the upper shell and the lower shell to form an access control device. A total of 14 wires are drawn out, of which an antenna is drawn from the side of the shell, and an antenna is drawn from the lower side of the shell. Lead out 13 wires, including 48V power wire, ground wire, electric door lock wire, motor rotation detection wire and 4 125K antennas; among them, the connections of the electronic components on the circuit board are as follows:
[0045] Power supply module: the 48V power line is connected to the anode of diode D1, the cathode of diode D1 forms a node and has 2 branches, 1 branch is connected to the network label V+, 2 branches are connected to one end of resistor R1, and the other end of resistor R1 forms a junction There are 3 branches, 1 branch is connected to the collector of transistor Q1, 2 branches are connected to one end of resistor R4, 3 branche...
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