Arduino sending data over MAX485 - Arduino Stack Exchange
Jan 31, 2016 · Arduino sending data over MAX485 Ask Question Asked 9 years, 11 months ago Modified 9 years, 1 month ago
Differences between two common RS485 to TTL modules
Aug 24, 2022 · Now, what to do with the MAX485 module's control lines? You can connect TXD to DI and RXD to RO, respectively. If your module simply uses the driver chip manufactured by Maxim, the …
serial - When it comes to UART to RS485 communication, what is the ...
Apr 11, 2021 · The MAX485 module (MAX485 in Banggood) is the more commonly used module for this purpose and has been used in many projects. The MAX485 has the following pins DI (data in), RO …
ESP8266: Interfacing MAX485 TTL-to-RS485 on serial port
Apr 30, 2021 · I need to interface MAX485 TTL-to-RS485 to the ESP8266 on different serial pins (other than GPIO3 and GPIO1). Is there a way to configure other pins as Rx and Tx?
How to make I2C work on RS485? - Arduino Stack Exchange
The simplest "Arduino" solution would be to create a new RS485 device on your RS485 bus using another MAX485 and a small Arduino (micro, nano, etc) that responds to MODBUS RTU instructions …
serial - ESP32 S3 Same code works on Serial1 but NOT on Serial0 for ...
Oct 8, 2023 · Yes, RX0 and TX1 names comes from arduino nano. But this 44 and 43 pins of esp32 s3. Also same code working with gps modules as i said.
Controlling VFD with ModBus RTU via RS485 and Arduino
Feb 27, 2020 · I am attempting to control a Folinn VFD (Manual: Manual) with an Arduino Uno via a MAX485 module such as this. Pins for MAX485: DI > D8 DE & RE > D10 RO > D11 VFD …
Connecting multiple RS485 together - Arduino Stack Exchange
May 22, 2019 · I am trying to build communication across multiple Arduino using RS485. When i am trying to connect 3 Arudino nano together using breadboard my code doesn't reach slave where as if …
Arduino as Modbus RS485 slave using only 2 Digital pins
To do this I am using MAX485 IC (Breakout board) https://datasheets.maximintegrated.com/en/ds/MAX1487-MAX491.pdf The problem here is that I …
NodeMCU second HARDWARE serial TX as a debug port
Dec 23, 2019 · I'm using a NodeMCU board to send commands to my home electricity switching box - using RS485 communication. For that, I've connected MAX485 TTL-to-RS485 converter module to …