DAC_8bit

HT1621是128点内存映象和多功能的LCD驱动器HT1621的软件配置特性使它适 用于多种LCD应用场合包括LCD模块和显示子系统用于连接主控制器和HT1621的管 脚只有4或5条HT1621还有一个节电命令用于降低系统功耗(HT1621 is 128 memory mapping and multi-function LCD drive HT1621 software configuration properties make it suitable Used for a variety of applications including LCD LCD module and display subsystem is used to connect the main controller and HT1621 tube Only 4 or 5 foot HT1621 there is a power saving command is used to reduce the power consumption of the system)

Ti轻量级OSAL移植到STC12C5A60S2使用keil编译环境(Ti OSAL lightweight portable to use keil compiler environment STC12C5A60S2)

IC卡读写器软件DEMO，支持ISO14443A、ISO14443B、ISO15693协议， ISO14443A：NTAG203、NTAG210、NTAG212、NTAG213、NTAG215、NTAG216, Ultralight、Ultralight C,MIFARE Classic 1K/4K, Mifare DESFire, MIFARE ProX, FM11RF08、FM11RF32, FM1208、FM1216 ,符合ISO14443A标准的CPU卡. ISO14443B：AT88RF020, SR176、SRI512、SRT512、SRI2K、SRI4K, SGIDC(只读UID),符合ISO14443B标准的CPU卡. ISO15693： I.CODE SLI, Tag-it HI-I Plus, 符合ISO15693标准的卡.(IC Card Reader Writer DEMO，support ISO14443A、ISO14443B、ISO15693 ， ISO14443A：NTAG203、NTAG210、NTAG212、NTAG213、NTAG215、NTAG216, Ultralight、Ultralight C,MIFARE Classic 1K/4K, Mifare DESFire, MIFARE ProX, FM11RF08、FM11RF32, FM1208、FM1216 . ISO14443B：AT88RF020, SR176、SRI512、SRT512、SRI2K、SRI4K, SGIDC. ISO15693： I.CODE SLI, Tag-it HI-I Plus.)

方向传感器ＭＭＡ7455　在ＧＢ60　上的应用程序(Ｃ51编写）(MMA7455 orientation sensor on the test procedures in GB60 (C51))

野火官方freertos内核实现与应用，书籍和配套代码(freertos The first part of the program does not rely on the development board, direct simulation can be run.)

寻光程序，51单片机编写的,需要的看看,程序挺不错的(Look for light procedures, 51 microcontroller write need to see )

STC8A单片机串口收发，开机显示“我爱单片机“，然后在发送区发送字符，接收区接收并显示(STC8A microcontroller serial transceiver, boot display "I love SCM", and then send characters in the sending area, receiving and receiving area display.)

矩阵键盘的检测采用查询方式（去抖 松手检测）程序测试成功(The matrix keyboard detection using query (debounce let go detection) program tested successfully)

说明：  基于固件库的STM32F103 ADC采样例程(STM32F103 ADC demo,just for learning)

又一种抢答器的AT89S51程序， SW1 SW2 SW3 SW4 用数码管显示最先按下的按键 01 02 03 04 并点亮对应灯： D2 D3 D4 D5 显示2S后退出。 同时发出 “嘟”一声。(Yet another answering device AT89S51 procedures, SW1 SW2 SW3 SW4 with digital display by pressing the button the first 01 02 03 04 and light the corresponding lamp: D2 D3 D4 D5 Display 2S exit. Also issued a " beep" sound.)