Through the discussion and analysis of the method about how to control the GPRS module, Author designed the hardware circuit.
通过对GPRS模块控制方法的探讨和分析，设计了其相应的硬件控制电路。
And we have designed the driver and the hardware circuit of this modular.
并实现了这个模块的硬件电路的设计和驱动程序的开发。
Have designed the concrete hardware circuit, and debug and pass.
设计了具体硬件电路，并调试通过。
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