With an ARM chip, the harmonics of the grid signal acquisition, and then sent to...

单片机控制1420语音芯片发声程序。同时通过485通信方式与外界进行数据通信。-1420 single-chip control procedures audible voice chip. At the same time through the 485 means of communication with the outside world for data communications.

完全采用C编写的完整MP3解决方案源代码!-completely prepared by the integrity solutions MP3 source code!

程控增益线性脉冲放大器的设计。 设计了一种新型程控增益线性脉冲放大器。采用准高斯CR2RC2CR 成形电路结构,使用非易失性数字电位器和精密运放,使电路结构大大简化,抗干扰能力强,增益多级连续变化平稳,且具有温漂低、脉冲线性好等特点-Programmable gain linear pulse amplifier design. Design a new type of programmable gain linear pulse amplifier. Using quasi-Gaussian CR2RC2CR forming circuit structure, the use of non-volatile digital potentiometers and precision operational amplifier, so that greatly simplify the circuit structure, anti-jamming, multi-stage continuously variable gain stable, and has a low drift, pulse linear good characteristics

使用89S52芯片来驱动1602液晶显示,用KEILC51编译,可靠,并实践过.-err

c5131-usb-kbd-stand-alone-1_0_1

通过利用两台步进电机实现悬挂物体运动轨迹的控制，实现从点对点的运动、任意设定圆心的圆周运动，曲线运动。-through the use of two stepper motor to achieve flag objects trajectory control from a point-to-point movement, arbitrary set of circular motion Center, curve campaign.

C8051F系列单片机交叉开关的配置实例-C8051F series microcontrollers crossbar switch configuration examples

JM1.1版本，可以编译执行，很有参考移植的价值-JM1.1 version, you can compile the implementation of great reference value to transplant

对充电过程进行更精确的监控，以缩短充电时间、达到最大的电池容量，并防止电池损坏-Charging process of a more precise control, so as to shorten the charging time to reach the largest battery capacity, and to prevent battery damage

ARM LPC21XX proteus测试,测试已经完好,可以直接使用.谢谢!-ARM LPC21XX proteus tests have been intact, can be used directly. Thank you!