link para tutorial no blog: https://sabedinada.com/2022/06/17/modbus-rtu-entre-multimedidor-pac-3200-e-arduino-mega/ *Realizado a comunicação entre arduino mega e ...
The Modbus protocol was developed in 1979 by Modicon for industrial automation systems and programmable logic controllers with an Ethernet connection. It is used to transfer discrete/analog I/O ...
This sketch is supposed to test Dragino RS485-BL (Modbus master), using an Arduino UNO as a Modbus slave. The Dragino will be configured to read data stored in Arduino variables (an array), when ...
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