2402液晶，89S52单片机控制芯片，可以显示日期、时间、星期、温度等，最大的特点是可以设置25组不同闹钟，并存储在AT24C02芯片中，掉电不丢失，开机自动读取。温度检测用DS18B20芯片，时间显示用DS1302芯片，所有功能可以用普通红外遥控器操作。-2402 LCD, 89S52 microcontroller control chip, you can display the date, time, week, temperature, etc., the biggest feature is the alarm clock can be set to 25 different groups, and stored in the AT24C02 chip, power-down is not lost, boot automatically read. DS18B20 chip temperature detection, time display with the DS1302 chip, you can use all the features common infrared remote control operation.