AVR mega16单片机上实现FSK和DTMF解码的程序，信号由AD 7.2K采样，是可用的，但具体使用时需要根据硬件条件对参数略作调整。-mega16 achieve FSK and DTMF decoder procedures, AD 7.2K signal from the sample is available, but the specific use of the hardware required under the right conditions parameters sl

用AVR单片机实现OBD解码，有代码与原理图，功能比较简陋，可用于解OBD通迅。-The realization of OBD decoding with AVR microcontroller, the code and principle diagram, function relatively simple, can be used for the solution of OBD communication.