ldpc

说明：  4G模块EC20开发资料，硬件设计手册，AT指令，原理图和PCB图封装，完整开发资料。(Development Data of 4G Module EC20 and Hardware Design Manual)

实现PI+重复控制的有源电力滤波器（APF）(An active power filter (APF) that using PI+ repetitive control)

说明：  rtl8370单芯片8口千兆交换机原理图(Rtl8370 single chip 8 gigabit switch schematic diagram)

说明：  Texas Instruments常用元件库 TI Analog Timer Circuit.IntLib TI Logic Flip-Flop.IntLib TI Logic Gate 1.IntLib TI Logic Gate 2.IntLib TI Logic Latch.IntLib TI Logic Switch.IntLib TI Power Mgt Voltage Reference.IntLib TI Power Mgt Voltage Regulator.IntLib Texas Instruments Footprints.PcbLib等等(Texas Instruments TI Analog Timer Circuit.IntLib TI Logic Flip-Flop.IntLib TI Logic Gate 1.IntLib TI Logic Gate 2.IntLib TI Logic Latch.IntLib TI Logic Switch.IntLib TI Power Mgt Voltage Reference.IntLib TI Power Mgt Voltage Regulator.IntLib Texas Instruments Footprints.PcbLib)

说明：  ldpc的算法介绍及其fpga上硬件实现(Introduction of LDPC algorithm and Its FPGA implementation)

说明：  通过arduino mega2560驱动2步进电机 以及附加配件如显示器蓝牙等(Drive 2-step motor and additional accessories such as display Bluetooth through Arduino mega2560)

AD5754 驱动程序 ADI 官方驱动 收发函数都有(The AD5754 driver ADI official drive transceiver function is available)

A4988步进电机的驱动程序，使用STM32F407单片机驱动(A4988 stepper motor driver)

BK4815模块基本功能，对讲机最小模块(The basic functions of the BK4815 module)

SIM卡普通卡座封装，大卡普通手机用的SIM大卡封装 来自摘抄(SIM card common deck package comes from the excerpt)