用51写的碎纸机程序源代码，本程序具有触摸保护、过温保护、堵纸保护、语音报警等功能。-Shredder with 51 written source code, the program has a touch-protection, over-temperature protection, blocking paper protection, voice alarm and other functions.

220V 5A碎纸机直流无刷电机控制器源码。STM8S方案，编译环境IAR for stm8，完整工程。部分中文注释，运行稳定。-220V 5A shredder brushless DC motor controller source. STM8S program, the compiler environment IAR for stm8, complete works. Part of the Chinese comments, stable operation.