Introduction - If you have any usage issues, please Google them yourself
MCU 02. / * project name: automatic elevator simplified model based on 51 single chip microcomputer
03. / * master control chip: STC89C52
04. / * use module: 28 byj_48, ULN2003 stepper motor driver module, passive buzzer, infrared transmitter and infrared receiving head, 4 x 4 soft keyboard
05. / * platform: waste foam block, YingZhiKe
06. / * main functions: device after the power supply, infrared remote control or by pressing the soft keyboard choice of the floor number, choose lifting way (only rise, decline, only to rise and fall)
07. / * (bubble simulation) and then lifts stops in the corresponding to the floor, "ding dong" noise from the buzzer.A total of 16 layer.
08. / * pin description: low P1 four step motor, a buzzer IO mouth pick P3 ^ 7, infrared receiver head P3 ^ 2, soft keyboard after P2 mouth;