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辅助数字电路课程学习，说明TTL电路中驱动电流之间的 关系。 (auxiliary digital circuit courses on TTL circuit-drive current relationship.)

NPN silicon planar epitaxial transistor encapsulated in a SOT223 surface mounted envelope and designed primarily for use in hand-held radio equipment in the 470 MHz communications band.

通过51单片机串行转并行，扩展IO口，实现四个步进电动机的控制。(By 51 microcontroller serial to parallel IO expansion port, to achieve four stepper motor control.)

MuOnline CashShop Editor for TT, zTeam and etc. Season6E3

w90p710的LCD显示图片的程序，已测试(w90p710 the LCD display pictures of the process, have been tested)

利用kinect获取原始的音频波形，得到四声道的pcm波形。(Use kinect to get the original audio waveform, get pcm waveform four channels.)

通过反转法循环扫描矩阵键盘，并通过数码管显示数据(By inversion method cyclic scan matrix keyboard, and through the digital display data)

AVR ATmeg16单片机的串口通信,这个程序非常实用，发送采用查询方式，接收采用中短方式。(This pramer is very good，it can transmit your massage you press on the software of PC.Try it and like it.)

单片机播放器，大部分的单片机视频教程均可播放，快快下载，好时机。(MCU PLAYER,VERY GOOD.)

通过阵列键盘输入数字 数码管显示 六位数字(Six-figure through the array of keyboard input alphanumeric display)