It's inconvenient for me to turn on the computer every time I need to decode. Why don't I make a decoder with a single chip computer? So download the data and software, after a few days of busy and improved, and finally made a success, can show the waveform can solve the NEC format coding. But I was disappointed. First of all, it shows not the real output waveform of the infrared receiver, but the self-made waveform (the real waveform is 1 and 0 represented by wide pulse and narrow pulse), and can only recognize this coding format. There are many limitations. It seems that it's better to ask oneself than others. Or the great man is right - do it yourself, and have plenty of food and clothing. Why don't I make a device that can not only understand all remote control coding formats, but also transmit remote control signals according to my own settings?