Automatic Pet Feeder based on Single Chip Microcomputer

This paper has designed an automatic pet feeder based on single chip microcomputer, in order to solve the problem that pets from eating normally on time because of people often work overtime or go on business trips. The system uses STC89C52 microcontroller as the core to control each module to work. First, the single-chip microcomputer STC89C52 determines the real-time time by reading the DS1302 real-time clock chip, and displays the current real-time time through the LCD1602 liquid crystal, and then through the control buttons you can modify the real-time time and set the feeding time. After setting the time, the program will constantly compare the feeding time with the real-time time. When the feeding time is reached, the buzzer will play a specific signal to attract pets to eat, and at the same time, the motor module drives the stepper motor to rotate the food. The system can replace the owner to realize the function of feeding pets regularly.