MCU：PIC16F73，ASM源码和原理图。功能1：汽车应急启动。2：轮胎自动充气功能，自动为轮胎充气，可根据用户设置的气压值自动对轮胎进行充气，达到预定值时，自动停止充气。3：照明功能。该系统配备了一个小灯管，可以为用户提供应急照明。4：汽车电池测试功能。5：系统自检功能。6自动充电功能。7：电池电压显示功能。8：系统数据的显示，采用C1602-1液晶显示系统的各种数据，为用户提供友好的人机界面。9：电池低电压报警功能，当电池电压低于低电压报警值时，系统报警，提示用户需对电池及时充电。-MCU: PIC16F73, ASM source code and schematics. Function 1: Car emergency start. 2: The tires were inflated, automatic tire inflation is, according to the user to set the pressure value is automatically inflated the tires to reach a predetermined value, automatically stop the inflation. 3: Lighting functions. The system is equipped with a small lamp, can provide emergency lighting. 4: Automotive battery test function. 5: Self-test function. 6 automatic charging function. 7: The battery voltage display. 8: System data show that the use of C1602-1 LCD display various data systems to provide users with friendly interface. 9: battery low voltage alarm, low voltage when battery voltage falls below the alarm value, alarm system, prompts the user to take charge of the battery in a timely manner.