STC12C5A60S2主控的电子钟和温度传感器c程序，TFT彩屏显示，可通过按键修改时间，背光亮度可根据时间自动调节-Electronic clock and temperature sensor STC12C5A60S2 master c procedures, TFT color display, can be modified through the key, the backlight brightness according to the time automatically adj