File list (Check if you may need any files):
USB TO TTL RS232 V1.1\111.pdf
.....................\Backup of PCB1.DRC
.....................\Backup of PCB1.PCB
.....................\Backup of USB to TTL RS232.Sch
.....................\Previous Backup of PCB1.DRC
.....................\Previous Backup of PCB1.PCB
.....................\Previous Backup of USB to TTL RS232.Sch
.....................\USB to TTL RS232.Bkp
.....................\USB to TTL RS232.ddb
.....................\[通信_电子]USB to TTL RS232 通讯模块使用指南.pdf
USB TO TTL RS232 V1.1