with C33 development board constitute a GPS positioning system

dac/adc spi compatable detail

at88sc102,at88sc1604读写卡程序,请修改后使用-at88sc102, at88sc1604 card reader procedures, the use of the revised

所有的单片机都会涉及到232 或者485通讯,而通讯中又不可避免的出现错误.本例就给出了一个现成的校验软件.完成串口通讯,并且进行crc,累加和,异或和等效验结果-All of the single-chip will be 232 or 485 relating to communications, and communications also inevitable error. In this case on a given off-the-shelf software validation. The completion of serial communications, and to carry out crc, cumulative and, XOR and equivalent examination results

用VB实现S7-300PLC与PC机的普通串口通信.rar jiankong-Using VB realize S7-300PLC and PC-ordinary serial communication. Rar jiankong

USB接口芯片CH375HM-USB interface chip CH375HM

motor speed by pwm this depond on that the pwm has t on and t off and t ther is a duty cycle that = ton / t this vary the average voltage across the mot-motor speed by pwm this depond on that the pwm has t on and t off and t ther is a duty cycle that = ton/t this vary the average voltage across the mot

变压器概述-变压器经典文章（中文PDF）-outlined transformer- transformer classic article (Chinese PDF)

采用CCID与计算机通讯的智能卡读卡器下位机代码，所有符合CCID规范的上位机均可使用。可用于了解CCID协议的下位机实现，及智能卡T0通讯的具体实现代码。可实现智能卡的ATR,PPS及其他读写命令。

包含了CS8900的接口原理图，用户可参考设计以便减少初次使用出错的概率

qprox公司的芯片qt60xx0的驱动程序，用到这个芯片的可以看一下-qprox the company