EM847xSDK

说明：  VB做的一个短信收发的例子,功能比较强大,可以好好参考(VB do an SMS transceiver example, function more powerful and can make reference to)

自制DMX512控制台,很不错的一个软件,他对灯光的控制,非常出色.(Homemade DMX512 console, a very good one software, he lighting control, very good.)

vb5_hotkey_control vb(vb5_hotkey_control vb)

光伏控制器，自动充放电控制12V/10A光伏控制器（ERA-04-10-A）： 额定工作电压：DC12V 最大充电电流：10A 最大放电电流：5A/路（共两路负载） 太阳能组件开路电压：25V 空载电流：<15mA 温度补偿：-20Mv/°C 工作环境温度：-25°C～+50°C 使用海拔：<5500M 控制器尺寸（mm）: 光控电压（25°C）：<=3.3V 过放保护电压（25°C）：<10.8V 过放恢复电压（25°C）：>10.8V 过充保护电压（25°C）：>15.0V 过压保护电压：17.68V 过压恢复电压：14.7V 浮充电压（25°C）：13.4V～13.7V 恢复正常充电电压（25°C）：13.2V 结束正常充电电压（25°C）：15.0V (PV controller, automatic charge and discharge control 12V/10A PV controller (ERA-04-10-A): Rated voltage: DC12V Maximum charge current: 10A Maximum discharge current: 5A/Road (a total of two loads) Solar components of the open circuit voltage: 25V No-load current: < 15mA Temperature Compensation:-20Mv/° C Operating Temperature:-25 ° C ~+50 ° C with elevation: < 5500M Controller Size (mm): light control voltage (25 ° C): < = 3.3V over-discharge protection voltage (25 ° C): < 10.8V over-discharge recovery voltage (25 ° C):> 10.8V overcharge protection voltage (25 ° C):> 15.0V over-voltage protection Voltage: 17.68V overvoltage recovery voltage: 14.7V float voltage (25 ° C): 13.4V ~ 13.7V back to normal charging voltage (25 ° C): 13.2V end of the normal charging voltage (25 ° C): 15.0V)

此控件方便VB用户直接载入PNG图片，完美结了VB6无法添加PNG图片的问题，方便又实用，值得收藏！(This control is easy to VB users to directly load PNG images, perfect knot VB6 unable to add PNG images that are convenient and practical, worth collecting!)

VB版高级功能计算器，除了具有数学运算外，还包括三角函数、反三角函数、双曲三角函数、绝对值等运算，还可以进行一些比较复杂的表达式计算。它还有函数绘图、数据统计和自定义常数等功能。(VB version of the advanced features calculators, arithmetic addition, but also includes trigonometric functions,反三角函数, hyperbolic trigonometric functions, such as computing the absolute value can also be used for the expression of some of the more complex calculation. It also has function mapping, data and custom features such as constant.)

最新版完整模拟QQ截屏的VB源代码，支持截图编辑（可以再截图中画矩形、椎园、文本、箭头）；带撤销，重做功能，可以说一点都不比QQ截屏逊色！(The latest version integrity imitates a QQ piece the VB source for hold a code and support cuts diagram editor (can cut again in the diagram draw rectangle, Zhui park, text originally, arrowhead)Take to cancel, do over function, can say at 1:00 an all unlike QQ piece to hold inferior to!)

VB+Access设计图书管理系统VB+Access设计图书管理系统(VB+Access design library management system VB+Access design library management system)

小区物业管理系统毕业设计，基于sql server的vb程序，非常详细的程序注释(Residential property management system designed based on sql server vb procedures, very detailed program notes)

串口检测，实现串口数据的检测，对发送的数据进行读取(Serial Port Detection,Realize the detection of serial data and read the transmitted data)