TCRT5000

这是一个7279芯片的键盘检测程序，可以供初学者借鉴(This is a 7279 chip, keyboard testing procedures, you can learn from for beginners)

关于STM32F407的IIC总线操作，用IO口模拟总线时序，以及AT24C64的驱动编写。(The IIC bus operation on STM32F407 with analog IO bus timing, and write AT24C64 drive.)

电脑鼠底层驱动，能实现曲线转弯，速度快，很平稳(Computer mouse driver, can realize curve curve, speed, very smooth )

一套智能车电磁组的源程序，供参考。包含了PID、PWM、PIT等，单片机是MC9S12XS128。(A set of intelligent vehicle electromagnetic group of source code, for reference.)

关于LPC932的RC522的S50非接触式IC卡程序源码程序，周立功模块配套程序更改，可正常使用(s50Mifare 1)

BC95开发资料，Quectel_BC95_NB-IoT_模块产品规格书，全部代码(BC95 Development Information, Quectel_BC95_NB-IoT_Module Product Specification, All Codes)

32bit M0 驱动例子代码 USB HID(sample code for M0 aba base chip)

实现光伏逆变器的最大功率的跟踪，里面包含光伏太阳能电池的模型和boost 升压电路(PV inverters to achieve maximum power tracking, which contains a model of photovoltaic solar cells and Boost boost circuit)

demo for arm ethernet

GSM tc35/tc35i 功能模块 AT命令讲解( 您是不是要找： GSM tc35/tc35i 功能模块 AT命令详解 GSM tc35/tc35i explain the function module AT command)