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51empolderboard
- 此文档是网上一款开发板的完整系统,内附有电路图纸!系统有完整的接口程式,包含了字符型LCD驱动,pc串口通讯程式,flash读写驱动程式,中文字库,ad芯片驱动程式,keyscan4*4扫描程式-this document is the development of new online integrity of the system board, enclosing a circuit drawings! A complete system interface programs, includ
boyun_dialere_quipment
- 这个系统是我根据常州拨云拨号器的硬体写的应用系统,完全兼容拨云拨号器的硬件和全功能实现,能实现自动拨接语音ip接入号,设定十组,各种号码路由权限设定!反极侦察产生!-The system is under the clouds and Changzhou dialers hardware write applications, fully compatible with the clouds and dial-up hardware and achieve a fully functional,
telphone_equipment
- 电话单路计费系统!LCD段码显示!电话机设定自由费率,根据反极信号计费及延时计费自由设定!-one-way telephone billing system. LCD display of code! Set free telephone rates Under the anti-billing and very signal delay billing set free!
RX2
- small RTOS 嵌入式实时多任务开发，无线发送程序-small RTOS for embedded real-time multi-task development, wireless Send procedures
fir5402_ccs2
- DSP的FIR滤波器设计，硬件实现，将1K方波滤波输出正弦波-DSP FIR filter design, hardware implementation, 1K square sine wave output filter
ISD4000
- ISD4000语音与89C51单片机通用开发板源程序-ISD4000 voice and 89C51 definitive source development board
maxmain
- //液晶显示初始化ini_OCMJ(void)和驱动程序sub_lcd(uchar in)。 //占用I/O口为 #define LCD_OUT P4 //sbit LCD_BUSY=P3^6 //sbit LCD_REQ=P3^7 -/ / LCD ini_OCMJ initialization (void) and driver sub_lcd ( uchar in). / / Occupiers I / O # define LCD_OUT P4 / / sbit LCD_B
44scan
- //使用前请先定义keyscan为单片机的 //某个端口,如#define keyscan P1 //程序中扫描信号从keyscan高4位输出， //键值返回信号从keyscan低4位读入， //故使用时硬件电路需要与之相对， //或者把软件中相应地方修改即可-/ / use the former post keyscan definition of SCM / / a port, keyscan such as # define P1 / / scanning proces
LCD_DR
- //使用说明: //使用前请先定义keyscan为单片机的 //某个端口,如#define keyscan P1 //程序中扫描信号从keyscan高4位输出， //键值返回信号从keyscan低4位读入， //故使用时硬件电路需要与之相对， //或者把软件中相应地方修改即可-/ / use : / / use the former post keyscan definition of SCM / / a port, keyscan such as # define P1
da1230
- 12位 D/A DAC1230转换子函数 子函数名：da_zh（int a） 参考电压：5.000v-12 D / A conversion Functions DAC1230 Functions Name : da_zh (int a) the reference voltage : 5.000v
ad197
- 12位A/D MAX197转换子函数 子函数名：ad_cy（） 参考电压：4.096v-12-bit A / D conversion MAX197 Functions Functions Name : ad_cy () reference voltage : 4.096V
pcbquestion
- PCB设计问题集-PCB Design Sets