Modbus Master-Slave library for Arduino
Why do you think that https://github.com/alejoseb/Modbus-STM32-HAL-FreeRTOS is a good alternative to Modbus-Master-Slave-for-Arduino
Modbus Master-Slave library for Arduino
Why do you think that https://github.com/alejoseb/Modbus-STM32-HAL-FreeRTOS is a good alternative to Modbus-Master-Slave-for-Arduino