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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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1answer
2k views

W5100 module hookup help - Not a shield

I recently purchased a W5100 based ethernet shield for my arduino Uno, and looks like this. I had been following the guide here, and connected the pins accordingly - 5V to 5V, GND to GND, MOSI to 11, ...
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2answers
4k views

How can I speed up reading of an SD card?

I am working on a project using an Arduino as a web server. Code: webFile = SD.open("index.htm"); if (webFile) { while(webFile.available()) { client.write(webFile.read()); } webFile.close(); ...
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1answer
203 views

data type error on sensor data to ethernet client

I'm having a hard time debugging this piece of code, and i'm hoping someone can point out where i am making the mistake. My serial output is: connected GetData() got data... next stage... I've ...
1
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1answer
6k views

Where can I find a better pinout diagram for “Arduino Ethernet” board?

I'm looking for a complete pinout of the Arduino Ethernet R3. I've found one here which is low quality, and seems not complete (where are the digital I/O pins?). BTW, it was not a good idea for ...
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1answer
2k views

Unable to connect to Linux Environment (Linino AR9331 Interface) in Arduino Yun

I was trying to reset my Arduino Yun (WLAN button pressed for more than 30 seconds), but it just kept on blinking for about 10 minutes. Then I finally got impatient and restarted the Yun. After the ...
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1answer
384 views

Why client.stop causes some significant delay to do another task in a loop?

void setup() { Serial.begin(9600); // Initialize serial communications with the PC // disable SD SPI pinMode(4, OUTPUT); digitalWrite(4, HIGH); // disable w5100 SPI ...
2
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1answer
1k views

Arduino two Ethernet shields

Is it possible to connect two Ethernet shields to arduino? And if yes, how can I distinguish them in the code?
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2answers
3k views

Uploading Temperature data (DHT22) to Thingspeak with an ENC28J60

So, I've gotten my module working pretty well. It logs data from the DHT22 and sends it to a 192 address on my LAN. However, I'd like to log and graph the data. I figured thingspeak is a decent ...
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2answers
2k views

Using an Ethernet Shield and a tlc5940 together

I have am using an Arduino Uno R2 and TLC5940 to control a bunch of RGB LEDs. I want to add an Ethernet Shield R3 so that I can control the LEDs over a web-interface. However, the ethernet shield and ...
5
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2answers
4k views

What's the difference between different Ethernet Shields?

I am working on a project with Arduino and I need an Ethernet shield. but after searching in some electronics shops I found there isn't only one but a lot. I don't know which one is better and what ...
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3answers
2k views

Using Intel Galileo Ethernet Port

Is it possible to use the galileo's ethernet port through arduino IDE? Or should I buy an arduino ethernet shield? Will I be able to use galileo as a server to which arduino board can send data to?
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2answers
509 views

Using a web server with Arduino

So I am not new to arduino, however, I am new with web servers. I am working on a project that can control a robotic arm that is at one location and I can be at my house. I know basic HTML, Basic CSS, ...
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1answer
1k views

USB mouse/keyboard passthrough feasible?

I'm looking to achieve the following: USB HID Mouse (or Keyboard) -> [ Arduino device ] -> PC | `-> Internet ...
1
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0answers
167 views

Live video cam on arduino [closed]

I'm doing a project where i need a live video capture, not taking pictures. Is it possible on arduino? With this cam ? I want to send the stream to my PC over ethernet. Is it possible? Will it work? I ...
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1answer
407 views

Arduino Nano and a 3.3v Ethernet shield

I plan on purchasing a Nano clone, an Ethernet shield (ENC28J60), an LCD and a DHT22 humidity + temperature sensor. This will be used in a wine cellar to monitor relative humidity and temperature. ...
1
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1answer
638 views

Why can't I connect more than one Arduino Uno + Ethernet Shield to my network?

I'm using 3 Arduino Uno boards with Ethernet shields. Each is connected to my home Internet switch with an Ethernet cable. I assigned a different local IP address to each Arduino and gave each board ...
0
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1answer
588 views

While using Arduino Ethernet shield, do we need to explicitly select/Deselect SD and W5100 in our code?

It has been mentioned here http://arduino.cc/en/Main/ArduinoEthernetShield that corresponding libraries take care of chip select between SD and W5100 in Arduino Ethernet shield. Does it take care ...
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1answer
340 views

I want to be able to upload a batch of tweets to a twitter bot to be qued' for tweeting

I have built a twitter bot with my Arduino and an Ethernet shield right now, the way to make it tweet something is to manually add a phase into the code and upload it to the board for each new tweet, ...
0
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1answer
4k views

Arduino Ethernet Client crashes after obtaining values from string

My Ethernet server keeps crashing after pulling the RGB values from the string. It remains connected if I'm just toggling a pin, but whenever the string has the rgb values in it, the RGB values are ...
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0answers
109 views

Best way to process data received by EthernetServer

I have a program where the Arduino acts as an Ethernet Server. The client continuously sends packets which is of the following format Start Byte=0x7E; Some Data/Command Bytes; //Can be of ...
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3answers
7k views

Arduino Mega - get mac adress

I am new on Arduino, and I am trying to use the Ethernet shield... but it need: IP adress MAC adress IP adress is easy to get... but not MAC.. how can I get my arduino MAC adress?
3
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5answers
7k views

Arduino communicating back and forth with PHP server

I am researching to find the best method to work with in order to control the arduino from a web interface (hosted on a web server using PHP) and also sending data from arduino to webserver and save ...
0
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1answer
2k views

Buffering data from EthernetServer clients

I was trying to write a Telnet server that would be able to accept commands of sorts using the Arduino Ethernet library, and in order to access what the client was saying (to compare it to strings to ...
2
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1answer
2k views

Arduino Ethernet Shield: May I connect it to a PC connected to the internet via wifi?

I have an Arduino Ethernet shield. May I connect it to a machine that´s connected wirelessly to the internet in order to get the arduino into the internet? Or do I need to connect it only to a ...
0
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1answer
103 views

How to program arduino for ethernet with only usb cable

I have arduino UNO r3 ATMEGA 328P board and this kind of a cable. But I want to make and test a program that need to get the data through ethernet port. Can I do only with them. I want to know whether ...
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1answer
2k views

Arduino Ethernet Shield connection to PC

is it possible to connect Arduino Ethernet Shield direct to PC and send a String variable? How can I read it later on the PC? Will this code work? #include <Ethernet.h> #include <SPI.h> ...
5
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1answer
4k views

How to disable Arduino Yun to work as Access Point and set it to work as needed?

I am using Arduino Yun and I would like to disable it to work as Access Point. That is, I don't want that it is displayed in the list of available networks. Then I would like to set and use it (...
2
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1answer
629 views

Ethernet shield programming

This is first time programming with Ethernet shield . I want to test the web server application with my Arduino. I have an Arduino Uno, Ethernet shield, and a potentiometer. Below code being uploaded. ...
6
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2answers
547 views

Webserver on Arduino

How can I run a webserver in a Arduino Uno? I want to use my Arduino to monitor things in my home such as temperature. I want to be able to access this data through the internet.
12
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1answer
2k views

Internet connectivity for the Arduino Due using AtmelStudio?

What hardware and software solutions work and what are the tradeoffs for connecting an Arduino Due to the internet? I gather the ethernet hardware is much cheaper than WiFi hardware (€29 versus €69). ...
10
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2answers
721 views

Arduino Uno R2 and Ethernet Shield R3 compatibility

I bought an Ethernet Shield R3 for my Arduino Uno R2, but since R3 has extra pins it does not fit. Can I use the shield? Should I cut off the extra pins. What do I need to do to make it work?
31
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6answers
41k views

How to get HTTPS on Arduino?

Put plainly: is there a way to get an HTTPS connection on the Arduino? I have been looking in to it, and I have found it is impossible with the standard library and the Ethernet shield, but is there ...
46
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11answers
7k views

Is an Arduino capable of running 24/7?

I'm making a simple Arduino web server and I want to keep it turned on all the time. So it must endure to stay working continuously. I'm using an Arduino Uno with a Ethernet Shield. It's powered ...