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 c