EEPROM记录LED状态，初始化恢复断电前的状态EEPROM有写入次数寿命，不适合频繁的写入数据不同开发板EEPROM存储空间有所不同，UNO与Nano
的EEPROM为1KB（地址0-1023），Mega为4KB不同数据类型存储占用的字节空间不同，使用多个时并不能
简单的把地址理解为变量存储区需结合数据类型做判断global_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