@echo off :: Move cursor to the top left corner .\send.exe COM4 115200 0x02 0x04 0x00 timeout /t 3 /nobreak >nul :: Move cursor to the bottom left corner .\send.exe COM4 115200 0x02 0x04 0x01 timeout /t 3 /nobreak >nul :: Move cursor to the top left corner .\send.exe COM4 115200 0x02 0x04 0x02 timeout /t 3 /nobreak >nul :: Move cursor to the bottom right corner .\send.exe COM4 115200 0x02 0x04 0x03