The old version of the hardware cannot be upgraded to the v1.1.4 firmware version. If your device is 485 hardware version, you can upgrade this firmware version. You can disassemble the shell to check if the board is printed with 485
Older versions of hardware cannot upgrade the v1.1.4 firmware version. If your device is 485 hardware version, you can upgrade this firmware version. You can open the shell and check whether the board is printed with 485<br>
The v1.1.4 firmware version cannot be upgraded with the old version of hardware. If your device is 485 hardware version, you can upgrade this firmware version. You can open the shell and check whether the board is printed with 485.