Questions tagged [ethernet]
Ethernet can be used for cabled communication between an Arduino and a computer, server, or website. For question concerning the Arduino Ethernet board, use the tag "arduino-ethernet" instead.
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How to timeout hung incoming connections to the Ethernet port?
If I telnet to an Ethernet capable Arduino (e.g. shield, Leonardo, Leonardo Eth) with something like telnet [ip] [port] and then do nothing, the connection hangs. Seemingly for ever, or at least ...
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Can one re-program a Leonardo Eth via its Ethernet port only?
Let's assume we have an Arduino Leonardo Eth running some sort of networking application, perhaps a very simple web server. Importantly the server is read only and static HTML. There is no ability to ...
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Strange UDP problems
I am making a simulator box that pretends to be an industrial pump. We make equipment that interfaces with the pump and don't always have a pump available to test the connection. I used and arduino ...
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How to make MQTT and ArduinoModbus libraries working on the same Ethernet port?
I have a SAMD51P20 based Arduino PLC with WIZnet W5500 based Ethernet shield. I'm using these libraries:
#include <Ethernet.h>
#include <MQTT.h>
#include <ArduinoModbus.h>
MQTT and ...
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Configure CA to connect to server with Ethernet
I'm using Ethernet module ENC28J60 with ESP32 on Arduino IDE.
I could establish a secure connection using WifiClientSecure.h
here code
#include <Arduino.h>
#include <WiFi.h>
#include <...
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Limit of EthernetClient connections
I'm working on a project on which I need to have multiple EthernetClient connections to different servers. All of these connections must be kept alive simultaneously and by this I mean I cannot stop ...
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Arduino (Mega 2560) Ethernet Shield 2 (W5500) - Can't connect
I'm having issues connecting to my arduino mega via ethernet. Its a very basic start to the code just to get the network side up and running, them im going to add in what I actually want it to do. For ...
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What can be the reason for a Stack canary watchpoint triggered (loopTask) on a https get() command?
I have a program that only do get and post to a controller via an ethernet port. My problem is that after a certain amount of loop in the program, i got this error:
Guru Meditation Error: Core 1 ...
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Ability to connect 2 or more w5500 Modules and deal with them as objects
I wish to create a rudimentary ethernet in/out - switch/hub where I can (sort of) daisy chain my boards. (I don't wish to use a ethernet switch/router/hub)
One port would be acting as server
The ...
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Arduino MEGA crashes with Ethernet shield to connect to two TCP servers
I have Arduino MEGA with Ethernet Shield and a SD card connected to a RUT950 GSM router. Then, I also have two sensors connected to the router and they run a TCP server that sends measurements ...
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How to connect Arduino to a switch that doesn't accept 10M?
I've been playing around with several Arduino ethernet modules based on the ENC28J60 and the W5500 chipset. All modules are advertised as 10/100M, but in reality only work when the port of a switch is ...
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Incorrect IP address when using Ethernet library with Arduino Uno and WizNet 5500 ethernet module
I'm trying to get an ethernet module with the W5500 chipset to connect to my network on an Arduino Uno, but whatever I do, I always get an incorrect IP address.
The module is connected as default SPI, ...
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UDP Packet Loss
I have an application on a PC that sends 10 UDP packets to an Arduino Portenta board. When sending packets with no delay, half of them are lost. Wireshark shows the packets are correctly sent by the ...
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The gateway is not working in Arduino EthernetENC
I am using ENC28J60 and EthernetENC library to connect an Arduino UNO with ATmega328 to the network. Everything works fine within the local network, but outside of it, I cannot ping the device. What ...
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UDPSendReceiveString example using Arduino Due with ENC28J60 Ethernet Module
I was trying to learn how to use UDP protocol to use in my automation project to send commands to an Arduino Due on ethernet with an ENC28J60 breakout board which I have connected to the Due from SPI ...
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