csp开源框架 csp 11 (带pkcs)对开发csp及调用 smartcard有参考意义-csp code with PKCS

感光芯片的规格书，学习摄像头的好资料，主要参数，感光尺寸，像素。-The specifications of the light-sensitive chip, learning good information on the camera, the main parameters of photosensitive size, in pixels.

超声波测距程序，也可用于测温Ultrasonic Ranging procedure can also be used for temperature measurement-Ultrasonic Ranging procedure can also be used for temperature measurement