1602液晶模块内部的字符发生存储器(CGROM)已经存储了160个不同的点阵字符图形，编程时可以用AS-CII码直接赋值，还可以用字符型常量或变量赋值;蜂鸣器的作用是当称重物品超出传感器的量程时，以鸣响报警提示用户。 3 系统软件设计 系统软件开发平台为WinAVR ...

The MAX17559 is a dual-output, synchronous step-down controller that drives nMOSFETs. The device uses a constant- frequency, peak-current-mode architecture. The two outputs canbe configured as ...