这是博创科技PXA270A开发板的资料，详细介绍了各个部分的原理图以及PCB板图，对进行PXA270的硬件设计有很高的参考价值。,This is Fiberxon technology development board PXA270A information, detailed information on various parts of schematic and PCB board plans to conduct PXA270 hardware design has a high re

基于远距遥控nRF905多点温度采集系统设计(原理图+PCB+源程序)，一整套资料全都包含在内了，可用于自己的设计，也可以再进行改进优化，很值得参考的资料。-Based on long-distance remote control nRF905 multi-point temperature acquisition system design (schematics+PCB+ source), a complete set of all information included, and ca