Ethernet can be used for 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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12 views
W5100 Ethernet Shield to Custom Board Problem
I've been using an Arduino Ethernet shield and an Arduino Mega in my project, but now I'm trying to migrate all the components onto my own PCB. My board uses a W5100 same as the Arduino, but nothing ...
1
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0answers
14 views
EthernetClient: HTML table isn't being fully populated
I have the following code below for an EthernetClient named client. It is supposed to print a 2 row, 9 column table. The headers are ID and Name and are the first cell in each row. The other columns ...
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2answers
26 views
Arduino uno - Ethernet Shield enc28j60 hangs after some time
I am using Ethernet Shield enc28j60 for retrieve data from web server, but Ethernet Shield enc28j60 hangs after some time and it only works after restarting power supply (router usb port).
My sketch :...
2
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1answer
45 views
Control Arduino through ethernet. How to contact from outside network and securely
I'm new to Arduino so please bear with me if my question is too simple or broad (I did try and research it) or guide me if it belongs elsewhere (networking forum?)
I would like to be able to control ...
2
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1answer
54 views
How to correctly serve a webpage from an SD card
It's been days that I'm trying to figure it out how to edit this perfectly working code in order to load load a webpage from the sd card.
#include <SPI.h>
#include <Ethernet2.h>
byte mac[]...
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0answers
28 views
Text file from PC to SD card via Arduino Ethernet Shield?
Is possible to transfer a text file from PC to SD card via Arduino Ethernet Shield? Are there an easy way to do this?
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1answer
38 views
Trouble reading LM35 with long (?) Ethernet connection
I have a quick question to ask.
I have an Arduino Uno reading 4 temperature sensors (LM35) in 4 different rooms. What happens is that the two nearest rooms give stable values, while the two further ...
1
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1answer
47 views
Can't connect to my Arduino via W5100 Ethernet shield
I recently bought an W5100 ethernet shield and I'm trying to run this simple example which is a little improvement of the basic WebServer sketch provided by Arduino.cc
#include <SPI.h>
#include ...
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1answer
37 views
dns lookup only works with DHCP and not with static setup (EtherCard library)
When I use DHCP with ether.dhcpSetup() the DNS lookup for NTP ether.dnsLookup("0.pool.ntp.org") works fine, but when I use a static setup (because my Android app needs to know the IP address) with ...
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0answers
33 views
Arduino Ethernet Sheild with Arduino Uno Problem
So , I am new to arduino , and am making a project including Arduino Uno and Ethernet Shield , yet am at point 0 since every time I plug my Ethernet Shield to the Uno it hangs , as in if it connects ...
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4answers
49 views
Arduino Accessing a web page
Folks,
I want to use my arduino with ethernet shield to access the following webpage "http://www.met.ie/forecasts/sea-area.asp" and take some information.
On the website it has a line "Small Craft ...
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1answer
21 views
What if I just connect 5V DC to my UTP?
Here is the image of Ethernet shield near RJ45 socket:
These small boxes are probably SMD capacitors which may mean, that internal board is glavanically disconnected from the UTP line.
Is this ...
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2answers
40 views
EthernetUdp2 does not name a type
I'm using arduino Ethernet shield 2 form arduino.org and the arduino IDE 1.7.10 also from arduino.org
the code is :
#include <Dhcp.h>
#include <Dns.h>
#include <Ethernet2.h>
#...
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1answer
39 views
MySQL Connector/Arduino insert data from row into an array
I'm new here.
These days I have been working with the MySQL Connector/ Arduino library. So, my problem is how can i retrieve a rows data so as to enable an output. I have written some code, which was ...
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0answers
39 views
WizNet W5100 not connecting to modern switches and routers
I have an Arduino data collector with a W5100 module (see bottom of picture). Simple fixed IP connection:
byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };
byte ip[] = { 192, 168, 1, 242 };
...
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1answer
51 views
Internet Controlled Arduino Car Over Wifi
I am trying to make a Internet controlled arduino car over wifi but there are several obstacles.
Most of the tutorial only works if the controller device (e.g laptop or smartphone) is connected to ...
1
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1answer
41 views
HTTP Post not working
I am wanting to POST some data from Arduino to WebService (written in .NET), intending to save some temperature data to MS SQL Server.
My code in arduino is:
void PostarDados(String dados, String ...
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0answers
10 views
Problem with format of data to be sent with ether.browseUrl
I am using MINI ENC28J60 board.
It works fine but I have problems with formating the dataCollection variable so that it can be sent with the ether.browseUrl.
I need to collect several analogReads and ...
1
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1answer
19 views
Webserver on Arduino: How to 307 temporary redirect
I originally asked this question. Regarding a webserver Refresh issue on arduino.
I am totally new to web development and ethernet. The answer from @Majenko is correct, but I do not understand how ...
1
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1answer
31 views
Webserver on Arduino: Refresh issues
I am using W5100 Ethernet Shield Network Module with arduino Uno as a webserver to trigger four relays connected to it.
The relays may be toggled through the four buttons attached to it physically, ...
0
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1answer
14 views
Arduin YUN send data through Ethernet
I'm still new in Arduino YUN and i can't find any tutorials or examples on making the YUN send data through Ethernet which will then be showed to a webserver. I've seen other tutorials but they use ...
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2answers
40 views
Arduino-like ethernet only board?
I don't think USB chip is more expensive than Ethernet chip. So, I expect there should exist a board like Arduino, but where USB is removed in favour of Ethernet.
Are there such boards?
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0answers
78 views
Udp.remoteIP() and Udp.remotePort() calls not working
I'm trying to conect an Intel Galileo over ethernet. I'm using the code located in Examples/Ethernet/UDPSendReceiveString. Everything works fine except for the response. Udp.remoteIP() always return ...
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2answers
31 views
arduino ethernet run php from sd card
I am just interested, but I would like to run a webpage with php on my arduino ethernet. I would like to be able to store my webpage on the sd card as well.
does anyone know of a library that would ...
3
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1answer
46 views
Informations lost in a string
At first, I sorry if I make some English faults but I'm French.
So, I'm making a connection between a client and an Arduino Uno. I receive all data that I need but when I send a response to my ...
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0answers
49 views
Response to a client
I am new (and French) so, sorry for my English.
I am developing an Arduino application with an Arduino Uno and an Ethernet Shield 2. I need to receive some data from a client (like, e.g. which ...
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0answers
12 views
Send data from Mobile to Arduino
I want to send data from Android/iOS to Arduino Mega with Ethernet Shield.
I have tested OSC but it only works with TouchOSC as I know. And I cant create my own mobile app with this.
Have another ...
0
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1answer
67 views
Ethernet Controlled Arduino Arm
Good day, I am currently attempting to write code that will allow a user to connect to an Arduino Mega via ip address and control a robotic arm on the X and Y axis as well as open and close the claw. ...
1
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1answer
86 views
Wired IoT sensor network with PoE?
Objective: Maybe I'm a bad Googler, but I am finding very little on wired Internet of Things sensor networks using Arduino.
Project Goals:
Arduino based sensor nodes that connect to the local ...
1
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1answer
60 views
Arduino mega 2560 Stacked with Ethernet/SD card Shield Heat up
Stacked mega and ethernet/sd shield:
When I do this stacking, it heats up. I tried connecting the SPI via ports 13-10 (no stacking), it doesn't work. Also tried connecting the ICSP (red circled ...
0
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1answer
233 views
BMP280 sensor not initializing
I am successfully used the BMP280 sensor via SPI connection with an Arduino Uno R3 board. Trying to run the same code with the same setup on an Arduino Ethernet however has produced the problem that ...
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0answers
151 views
Ethernet Shield: Failed to configure Ethernet using DHCP
I am currently making a design that uses the Arduino's Ethernet shield. I am using the PushingBox API for Arduino, and have tried it with my Arduino Mega (2560) with the ethernet shield attached to ...
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1answer
47 views
Ethernet shield/WebServer problem: 'server is at 0.0.0.0'. Any suggestions how to debug it?
Ethernet shield problem. When running the WebServer example sketch, the Serial Monitor shows that server is at 0.0.0.0. Any suggestions how to debug it?
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1answer
80 views
Cannot directly connect Arduino Ethernet to PC
I have been following various tutorials (especially: this) to connect an Arduino Ethernet board to my Ubuntu PC via Ethernet directly.
The IP address of the computer was found to be 10.100.31.128, ...
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1answer
48 views
Connectivity of arduino pro mini with different modules
Can an arduino pro mini be used with an audio decoder, 2.8 inch tft touch screen and ethernet shield simultaneouly?
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2answers
100 views
Can a 9V battery be used as a backup power supply (to Arduino Uno) while plugged directly into Vin and ground?
Sorry if this has been asked before, but I've read tons of threads and it seems the answer is only implied on a couple of occasions.
I'm an electrical noob, but I understand that a 9v battery ...
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0answers
33 views
Resend data traffic from an Arduino
I have an Arduino with an Ethernet shield and I want to capture all Ethernet data traffic that connects to the Arduino via [as?] a router. This is because I want to use the Arduino like a honeypot and ...
0
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1answer
93 views
Ethernet shield or Wifi sheild - Arduino?
To control some LEDs through internet using Arduino UNO, which type of connection is better ? Ethernet or Wifi? (Later, I may connect some relays instead of LEDs, and control (turn on and off) some ...
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1answer
91 views
Connecting ethernet shield to computer
What configuration settings do I need to change on my computer to use the ethernet shield mounted on my Arduino UNO as I don't want to connect the ethernet shield to the router?
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0answers
50 views
WebClientRepeating not printing response to Serial
I'm following the tutorial in WebClientRepeating and it says that "The content of the page is viewable through your Arduino's serial window." However the output in my Serial window is just saying "...
1
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0answers
60 views
Problem related to Arduino ip address
Can anyone explain to me why my output ip is: 15.16.17.18?
I configured my addresses as follows:
Arduino :
gateway 192.168.1.1
ipaddress 192.168.1.8
subnet 255.255.255.0
My local network:
gateway ...
0
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1answer
276 views
Possible to create IP-to-USB HID (keyboard) device using Arduino?
Is it possible to create an IP-to-USB HID (keyboard) using Arduino?
I'd like to connect an Arduino to my network using Ethernet, and then send it commands using TCP/IP and have those commands ...
1
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1answer
299 views
What are the parameters of the browseUrl() callback in the Ethercard library?
I'm reading a code that uses Arduino as a webclient and when he tries to catch the info from the site, he uses a callback with the following parameters:
static void response_callback (byte status, ...
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2answers
81 views
How to approach an complex Arduino Uno project (Serial, SPI, Ethernet) in pure C, without libraries?
I have a college assignment where I need to get serial output, the Ethernet shield and SPI communication with other boards to work. We are not allowed to use any existing libraries, though we can use ...
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0answers
40 views
Are Gizduino Atmega1281 and Ethernet Shield w5100 compatible?
I'm creating a monitoring system using gizduino x 2.0 (Atmega1281) and GSM Module.
I need to create a database so I bought HanRun Ethernet Shield w5100. But it doesn't seem to work. The LED lights ...
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1answer
119 views
How to recover from DHCP Renewal and Rebind failures?
I'm using an Ethernet shield with the built-in Ethernet library. I obtain an IP address using DHCP, and call Ethernet.maintain() periodically to ensure that the DHCP lease is renewed as required. So ...
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1answer
24 views
Interfacing 9-Axes Motion Shield with RPi and WiFi Shield
I recently purchased the Arduino 9-Axes Motion Shield. I have two questions:
Q1. The official Arduino page says that the shield doesn't have any external power source and can only be powered up by ...
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3answers
294 views
Posting Arduino data via ethernet to PHP server problems
I am currently having difficulties sending data from an Arduino using an ethernet shield to a PHP database in MySQL. My problem is that it appears that the server is receiving the data as there is a ...
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1answer
91 views
IOt application example Error
I have downloaded code from below linkLink of code. I am trying test code from below. I am getting warning for below code.I couldnot able to find how to sort out
#include <SPI.h>
#include <...
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1answer
50 views
Controlling arduino over webserver
I want to control arduino through Internet without using Ethernet shield. I know there is a way. So can you help me what things I'll be needing for that
