
RS485 working example - Networking, Protocols, and Devices
Nov 1, 2018 · For example: This is my Source: qqtrading.com.my Rs485 Serial Communication Between Arduino Mega and Arduino Pro Mini. Rs485 Serial Communication protocol is …
ArduinoModbus (RS485) with Portenta Machine Control - Basic …
Sep 10, 2022 · At the moment this library is incomplete and I don't understand why Arduino couldn't just improve the Arduino_MachineControl.h library (???), but it is what it is.] [UPDATE …
Arduino UNO + Modbus RTU RS485 + wind sensor
Apr 3, 2023 · I connected the Arduino to the RS485 adapter and then to the Wind sensor. I installed the ModBus Master library from the library manager and by using the included …
RP2040 - RS485 modbus RTU - 3rd Party Boards - Arduino Forum
Feb 14, 2022 · I am using the RP2040 pico pi with Arduino, on the board I have implemented Modbus TCP and RTU. The TCP works seamlessly while I am not able to get the Modbus …
Software Serial RS485 Example - Arduino Forum
Nov 15, 2020 · Dear all, I started with a RS485 example just to understand this communication. I used the example of SoftwareSerialRS485Example, but I am getting question marks back on …
Arduino Nano and RS485 to read meter data
Jun 24, 2022 · Hello, I've bought an energy meter (OB115-Mod) that supports RS485 I am trying to read it using an Arduino Nano; This is the register map of the device I'm following this …
Arduino master/slave communication using RS485 and Modbus …
Mar 24, 2020 · Hi to all! First time on the arduino forum and a total beginner regarding arduino modbus communication. I have a configuration: Master (Arduino MEGA ATmega2560), 2x …
1 Master, N slave Communication via Rs485, Sending ... - Arduino …
Aug 14, 2021 · I read the topic but you mentioned RE and DE connections and i dont have this connections in my board as you can see. Im really new person who started to coding arduino …
Rs485 receiving but not sending - Opta - Arduino Forum
Feb 2, 2024 · hello on my rs485 OPTA i can only receive data (using the ArduinoRS485 library examples 'receiver' and 'sender'). I can read RS485 from OPTA when sending through a USB …
RS485 receiving data with interrupt - Arduino Forum
Jan 12, 2024 · Hi. I am using 2 arduino mega board for RS485 comminucation with max485 module. I can send and receive but doesnt using any library . I can read the data from loop but …