Intelligent illumination facilities automatic controller
An automatic controller, intelligent technology, applied in energy-saving control technology, energy-saving lighting, electrical program control and other directions, can solve problems such as inability to apply, inaccurate time control, and the controller's functional structure is too simple, so as to improve practicability. Effect
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[0028] The control method for lighting facilities of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0029] The ports P10-P17 of the CPU in the CPU central processing unit 4 are connected to 8 data exchange lines DB0-DB7 with the display unit 6, the port INTO outputs the RS signal, INT1 outputs the RW signal, T1 outputs the E signal, and RW, RS, E are for display The control signal of the unit 6, the port P02 outputs the LCD signal, and the LCD is the switch signal for controlling the backlight of the display unit 6. Capacitors C1, C2 and crystal oscillator Y1 form the external clock source of the CPU. Chip IC1 is a clock chip, which communicates with the CPU through three data lines to provide accurate time for the entire circuit. BT1 is an external battery, which supplies power to the clock chip when the power is off to ensure the normal operation of the clock chip. Signals LD1, LD2, and LD3 are signals output by the...
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