Frequency-calculate

利用ULN2003A进行驱动，产生PWM波，里边有照片，可供参考，通过本例程了解PWM 的基本原理和使用 (#include <reg52.h> unsigned char timer1 sbit PWM=P1^2 void system_Ini() { TMOD|= 0x11 //PWM TH1 = 0xfe //11.0592 TL1 = 0x33 TR1 = 1 IE =0x8A } main() { system_Ini() while(1) { if(timer1>100) timer1=0 if(timer1<30) PWM=0 else PWM=1 } )

stm8单片机实现了控制bldc轮毂电机的控制，用了6个mos管，采用六部控制，里面有 pcb sch 和程序，可以用此资料改装成电动自平衡独轮车(Stm8 microcontroller realized control BLDC hub motor control, with 6 mos tube, using six control with Sch and PCB program, this information is converted into electric self balancing unicycle)

pic modified sine wave inverter circiut

基于单片机和C语言的，步进电机加速减速匀速演示，希望方便大家(Based on SCM and C language, stepper motor acceleration and deceleration uniform presentation, I hope to facilitate)

自动化设备：玻璃升降器试验台程序，c++代码备份(Automation Equipment: glass hoist test rig program, c++ code for a backup)

51单片机静态数码管显示51单片机静态数码管显示(sfasdasdasd )

SQL Server 2005 Service Broker (SSB) is an asynchronous messaging technology built into SQL Server. With SSB, you essentially get the power of messaging technologies like Microsoft Message Queue (MSMQ) combined with the relational database capabilities of SQL Server, all controlled with Transact SQL statements(SQL Server 2005 Service Broker (SSB) is an a synchronous messaging technology built into S QL Server. With SSB. you essentially get the power of messaging tech nologies like Microsoft Message Queue (MSMQ) c ombined with the relational database capabili ties of SQL Server, all controlled with Transact SQL statements)

使用C51单片机开发的电梯源程序，单片机开发源程序(Use elevator source C51 MCU development, microcontroller development source)

超声波测距，测量精度为1cm，可以使机器人安全避障。(Ultrasonic distance measurement accuracy of 1cm, can make the robot obstacle avoidance safety.)

AVR128显示部分，用12864作为显示的程序代码，已经调试通过(AVR128 display section, with 12864 as display the program code, have debugging through)