DHT11 温湿度传感器源代码

二次b样条和三次b样条曲线画法，完全按照定义来做的，支持多个点的绘制。比贝塞尔曲线好画，贝塞尔曲线有三个点和四个点的画法，点再多就需要拟合了(B-spline quadratic and cubic b-spline curve drawing, done in full accordance with the definition of support to draw more points. Good Bibeisaier curve drawing, Bezier curve with three points and four points of the painting, we need to fit the more points)

【实例简介】果云开发板底板原理图.pdf

用PWM脉宽调制控制可控硅的导通和关闭，从而进行电压调控(PWM pulse width modulation control using SCR' s turn-on and off, thereby to voltage regulation)

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采用51单片机控制5轴步进电机联动-模拟数控系统(5 using 51 single axis stepper motor control linkage- CNC system simulation)

segy sgy 地震数据显示，包括波形变面积显示，变密度显示， GTK gtk 实现界面，opengl绘图(segy sgy wiggle )

二维码编码 实现二维图像的编码

transfer coordinates from BLH system to XYZ system in the foundation of geodesy

使用labview控制gif格式图片运动和停止(Use LabVIEW to control the motion and stop of the GIF format picture)

SM2签名功能和验签测试SM3摘要功能测试(SM2-signature-creation-and-verification-master)