The invention discloses a single-chip microcomputer-based crossroad traffic lamp control system. A dial switch is used for setting the working mode of each lamp in each direction and transmitting set data to a single-chip microcomputer; after processing the set data, the single-chip microcomputer outputs a control signal to control traffic indication lamps in an east and west direction and a south and north direction; meanwhile, through an external decoding chip, state indication time is displayed on seven-segment nixie tubes. An external input key realizes compulsion signal control input, so that compulsion on the sates of the traffic indication lamps in the east and west direction and the south and north direction can be realized under special requirements; direct current output by a solar photovoltaic battery panel passes through a voltage-stabilizing module and then is supplied for the system, and a UPS (Uninterrupted Power Supply) serves as a back-up power supply of the system.


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    Title :

    Single-chip microcomputer-based crossroad traffic lamp control system


    Contributors:
    PANG DANGFENG (author) / YAN HUMIN (author) / WANG CHUANGRONG (author)

    Publication date :

    2015-06-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS



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