LED intelligent light controller

The utility model discloses an LED intelligent light controller. An ambient light acquisition circuit module and a pyroelectric infrared sensor module HP-208-N-L are connected in series and then are connected to a P2.7 pin of a one-chip microcomputer AT89S51; a clock input end SCLK, a control end IO and a reset wire RST of a clock module DS1302 press a P1.5, a P1.5 and a P1.7 pin of the one-chip microcomputer AT89S51 respectively; an overtime alarm module is connected to a P3.4 pin of the one-chip microcomputer AT89S51; switch button K1, K2, K3 and K4 of a button circuit module are connected to P2.0, P2.1, P2.2 and P2.3 pin of the one-chip microcomputer AT89S51 respectively; SCK, SI, CS/WDI, SO pin of a watchdog module are connected to P1.0, P1.1, P1.2 and P1.3 pin of the one-chip microcomputer AT89S51 respectively; INA-INI input pins of a nixie tube display module are connected to P0.0-P0.7 pin of the one-chip microcomputer AT89S51 respectively; and a EEPROM storage module is burned into the one-chip microco