Introduction - If you have any usage issues, please Google them yourself
The issue to design a system Automatic Bus Station in order to achieve car audio Automatic station, that stop, the station broadcast the voice prompts when the information automatically, and service terms, taking advantage of LCD matrix display circuit. The design requirements using 80C51 as the main chip to complete the design of the main control circuit, the main function module requirements, including a buzzer module, display module, keyboard input module.