BLDCM

超声波测距避障系统，实现机器人的智能化测距(Ultrasonic ranging obstacle avoidance system, realize the intellectualized ranging robot )

较详细的论述了IPM模块的驱动及保护电路 (More detailed discussion of the IPM module driver and protection circuits)

Pipe Sizer Calculation

online railway reservation poject in visual basic for booking and reserving raiway tickets in online for old age and young age categories with offers for government servers

说明：   本单片机系统采用AT89S52控制，整个硬件系统由A/D、D/A转换、LED显示、键盘、串行通信等模块组成。(ok)

5-16串电池管理方案，含原理图和芯片资料。具有电压测量、过充、过放、过流、均衡等功能。(5-16 string battery management solutions, including schematics and chip data. With voltage measurement, overcharge, over discharge, over current, balance and other functions.)

三相桥式整流电路三相桥式全控整流电路图是应用最为广泛的整流电路，其电路图如下(let me in)

LPC2114_2124_2212_2214中文数据手册(LPC2114_2124_2212_2214 English Data Sheet)

double in pu z source inverter amterea

说明：  全国电子设计大赛优秀方案（程控滤波电路）(Electronic Design Competition outstanding national program (program-controlled filter circuit))