用DE2板，用SW0 到1表示想要的字母，KEY1运行，红灯显示对应的摩斯码，KEY0重置-With DE2 board with SW0 to 1 indicates the desired letter, KEY1 running red lights display the corresponding Morse code, KEY0 reset

自适应接收1KHz莫尔斯码程序，适用单片机89C51系列-Auto Adapting 1KHz Sound Signal Morse Code Receiver for STC 89C51

实现自动发送莫尔斯电码，通过串口输入要发送的字母语句，将转化为对应的莫尔斯电码，并通过串口输出由‘-’‘.’主成的转化后的电码，在PIN12、PIN13出输出高低电平。(Automatically send Morse code, through the serial port to send the letter input statement, will be transformed into the corresponding Morse code, and through the ser