G3 PLC 源码，内含max2992芯片驱动，完整的编译说明。-G3 PLC source, consisting max2992 chip-driven, a complete compilation instructions.

本程序主要是攀藤G3/G5和夏普二代传感器代码，运行环境为arduino开发板，希望和大家分享，一起学习。-This program is mainly climbing G3/G5 and sharp second sensor code, running environment for the arduino board, hope to share and learn together.