基于新华龙F330的笔段式液晶开发，包括原理图，PCB，源程序，可直接利用其开发控制应用系统，功耗小成本低。-Based on the new F330 pen hualong Segment LCD development, including schematic, PCB, source code, can be directly applied to use its development control systems, small power consumption and low cost.