基于12864制作的多功能太阳能热水器设计 硬件：AT89S52单片机，晶振为12MHz，KS0108驱动的128*64液晶，SPI总线的DS1302时钟，1-WIRE温度传感器DS18B20 -Based on 12,864 solar water heaters produced multifunctional hardware design: AT89S52 microcontroller, crystal oscillator is 12MHz, KS0108 128* 64 LCD d