A web-server is a system which delivers data such as web-pages to a client system.
1
vote
0answers
32 views
How can Arduino Mega2560+Wifi Shield 2.0 (seeedstudio) receive data from database in xampp server on my pc
I'm trying to connect my Arduino Mega via wi-fi to my xampp server.
My main objective is get a value at my database and store it on a variable in Arduino code. With this new variable I'll be able to ...
0
votes
1answer
30 views
Getting values from multiple thermistors - one value glitches all over the place
I have a circuit with preferably long wires that get data from thermistors. The Arduino sends this data (formatted in JSON) to a web server where it can be collected by another program.
Some of ...
0
votes
0answers
189 views
ESP8266 problem as Web server
I asked a previous question about esp8266 that made a lot of things clear for me that esp8266 is very powerful and can be independently used as the webserver now, I have used the following ...
0
votes
1answer
164 views
NODEMCU vs AT for esp8266
I have recently started working on esp8266 wifi module and arduino uno.
I am a little confused.
I have created a small Web page with esp8266 AT commands.
Now I want use it for receiving data such as ...
0
votes
1answer
26 views
Is it possible to accept multiple web requests at once?
I have an Arduino with ethernet shield and there are 8 different URLs that can be called to perform different actions.
The program loads and runs as expected for the most part, but, if it is busy ...
0
votes
2answers
41 views
Sending A String from a Website to Arduino
I'm quite new to Arduino and have looked at many tutorials featuring an Arduino requesting data from a web server through a Wifi Shield, but haven't seen one featuring the sending of data from a ...
1
vote
1answer
24 views
Is there any way to separate this short code into its own function? (webserver, trying to use client.print outside of main loop)
I have an arduino webserver that uses the following code:
client.println(F("HTTP/1.1 200 OK"));
client.println(F("Content-Type: text/html"));
client.println();
...
0
votes
0answers
38 views
Make a GET Request GPRS
I'm building a weather station that sends the data to a webserver via GET request.
I was wondering if you guys can look into my code and help me.
I looked all over the internet and can't find ...
0
votes
0answers
76 views
Send message from Wi-Fi shield (server) to android (client) without HTML
I'm using an Arduino Wi-Fi shield to make a web server to get sensors values on an Android app (client).
I used the code given by Arduino, WiFi Web Server.
I made an Android app, and at the ...
1
vote
1answer
56 views
Arduino web server: redirect to mobile site on SD card?
Is there any way to have an Arduino web server redirect the client to a file on the SD card only if the client is using a mobile browser?
(My arduino server is already successfully serving pages on ...
0
votes
1answer
149 views
Arduino webserver: faster alternative to “indexof” for parsing GET requests?
I have a webserver successfully running on an Arduino Mega, but I'm trying to make sure it's parsing the GET requests in the fastest way possible. This is what the relevant code for the GET requests ...
-1
votes
1answer
26 views
Encrypting data for webserver
I'd like to send sensor values over ethernet shield to a webserver. But for this I'd like to encrypt the data on the arduino and decrypt it on the webserver (PHP).
Do you have any suggestions or ...
0
votes
0answers
28 views
WebServer + UnManaged Network Switch
When I connect Arduino Ethernet to Router it works. (I can type 192.168.1.105 and see the output.) This includes no port forwarding nor any router modifications.
When I connect Arduino Ethernet to ...
0
votes
0answers
17 views
How to make the Yun allow access to a resource
I have replaced /www folder on the Yun (backing it up first), how do I make it so the Yun will redirect to the new index.html? It, right now, gives Access to this resource is forbidden when I go to ...
0
votes
0answers
199 views
Got Trouble with ESP8266 and Arduino Yun using REST control
Sorry about my English.
I'm a new bie in program Arduino and interested in ESP8266. I'm trying to use ESP8266 control Arduino Yun using REST API.
Like you know, we using web browser as
...
0
votes
0answers
39 views
Yun - FileSystem.Open prevents client.println from outputting to web page
The below code is meant to display lines stored in a text file to an arduino based web page (it's a IR gate monitoring solution).
When I visit
I can execute client.println("hello") and I see the ...
0
votes
1answer
58 views
Control external device using Java Web Servlet -> Pi -> Arduino -> Device
I'm new to the world of Arduino & PI, so far it's been a fantastic experience but I'm now looking to build something a bit more practical.
My plan is for the PI to host a JSP Servlet website. ...
0
votes
0answers
324 views
Arduino Ethernet shield server and client at the same time
Hardware:
Arduino Mega 2560 Rev3
Ethernet Shield Rev3
A sensor
Goal:
Take value from sensor, upload it to ThingSpeak
Host a web page on the arduino
Question:
I've done both things in the ...
0
votes
0answers
115 views
How to use console.log message from nodejs server, to control led pin 13?
I want to use Arduino Yun as a client, that connects to my nodejs server, receives a message from nodejs and then change led pin 13 on/off according to the message send.
I have this example of a ...
0
votes
0answers
58 views
internet source for arduino web server
Few days back I started a project to interface ardunio with the ENC28J60 Ethernet shield. I am totally new to the world of electronics and i got the code for controlling an LED and reading an analog ...
0
votes
1answer
303 views
Arduino YUN server crashes after few hours!
I have made a simple server using the YUN SERVER and CLIENT Libraries./
The server runs on a loop and waits for a client to connect. After connection it sends the client a simple message and then ...
0
votes
4answers
67 views
Web Server Options
I want to give my project a simple web gui to change config options. I know I could get a shield and write some horrible html in c but I'm wondering if there is a better way. Is there another IC I ...
0
votes
1answer
450 views
Arduino WiFIWebSever - why client.println()?
I need to modify the WiFiWebServer example (http://arduino.cc/en/Tutorial/WiFiWebServer) on the Arduino website but I am having some trouble understanding the code. I am hoping to get some advice from ...
0
votes
2answers
272 views
Arduino Yun - Problem with bridge and client
I'm using this simple code
#include <Bridge.h>
#include <YunServer.h>
#include <YunClient.h>
YunServer server;
void setup() {
Serial.begin(9600);
Bridge.begin();
...
0
votes
2answers
153 views
arduino webserver serves single web page to WAN/Internet very very slowly
I have an arduino web server running from a mega 2560 and a wiznet ethernet shield.
It serves the single page just fine (and very fast) to the LAN (192.168.1.50), but serves the same page very, very, ...
0
votes
1answer
340 views
Arduino Ethernet and Uno R3 as a firewall
Is there a way to program the Ethernet Shield and Uno R3 to act as a firewall without using a huge chunk of the allowed bytes on the R3? I plan on using a DC adapter to plug the R3 into a wall, and ...
0
votes
0answers
344 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 ...
1
vote
2answers
181 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, ...
0
votes
0answers
272 views
Arduino GSM Shield web server hangs
I use official Arduino GSM Shield with Uno R3.
I uploaded web server examples from official GSM library. I use a simple python script to make TCP/IP connections to my GSM Shield web server. I send ...
0
votes
0answers
207 views
Can you interface GSM, wifi, and Bluetooth LE shield to Ardunio?
I have a project that requires the following three shields and I was wondering if the Arduino has enough space to interface all of them at the same time. I am thinking of connecting each shield into a ...
0
votes
1answer
2k views
Webserver with Arduino Yun without SD
I'm trying to set up a simple web-server with Arduino Yun without an SD card, i.e via REST, if I understood it right (I'm new to some of these stuff). I want to be able to "get" data (sent by Arduino) ...
0
votes
2answers
2k views
Arduino Yun Webpage Server Issues
So, I've made a sketch on my Yun, which I would like to be able to take information from a webpage (like a button) and have the Arduino Microcontroller perform functions based on what button is being ...
2
votes
1answer
1k views
Wifi server to control led on and off from local webpage.. - ..if statement doesnt work…
Im a newbie on this arduino thing and I would like to build a curtain remotecontrolled from a local webpage with 2 buttons... a up an a down...
I got the connection via my phone the the local page ...
2
votes
1answer
490 views
Bluetooth Master and Slave to track device's locations
I'm trying to create an app for my science fair that uses bluetooth to track people in a determined place.
I was thinking about one Arduino system to receive all the information and transmit through a ...
0
votes
1answer
769 views
Arduino Yun and REST call security
I'm not expert about web development but very excited of doing some rest call using the yun as server (with a minimal python or node.js server inside the openwrt machine in the yun) and expose sensors ...
0
votes
1answer
347 views
Unable to read text file from server
I saw the Web client Example , In the example, the server connection is initialized in setup(). But I want the server to update the text file every time. So, I need the server connection to be in ...
0
votes
1answer
249 views
How to update a text file dynamically
I have Two Arduinos, One with the help of sensors it will dynamically updates in to my server database. Other Arduino, reads the stored contents from the server database and sends sms to phones.
Now, ...
0
votes
1answer
112 views
How Server request happens?
Can somebody explain the below code, like how the server understands,
how the request goes to the server from the below code.
if (client.connect(server, port))
{
client.print("GET /abc.txt");
...
0
votes
1answer
760 views
SMS in modem's memory
I am working on SMS communication with my phone and Arduino. My intension is simple. When somebody send an SMS, the Arduino should read a text file located on my server and forward the content to the ...
1
vote
1answer
650 views
How to read a Text file from server and store to a separate variable?
I am working on reading a text file from the server, using http://arduino.cc/en/Reference/GSMClientConnected. It gives me this code:
char path[]="/asciilogo.txt"
I want to store only the contents ...
1
vote
1answer
4k views
How to receive data from my Server database to a variable in my arduino?
I am learning to work with the client - server communication. I am able to communicate with my server and able to store values in the table. But I want to receive one of the specific data from the ...
1
vote
3answers
851 views
client.connect() fails except the first time
I am communicating with the Web server's database via Arduino GSM shield + GPRS connectivity
void loop()
{
if (client.connect(server, port))
{
.......
}
else
{
...
-1
votes
2answers
894 views
Arduino Mega & WiFi Shield; why web server every time says my A7 pin reads 0V?
I have got Arduino Mega 2560, Arduino WiFi Shield and resistor 1.5K.
Now PWM 2 is attached to the resistor then attached GND. 5V is attached between PWM2 and resistor's up point. I want to read the ...
-2
votes
1answer
333 views
Analog average sample wind speed sensor
I have wind speed sensor that can measure max speed upto 30 m/s with analog out put 0-5v. I have simple code calling from the loop. When I put the wind speed average code, the web server is not ...
1
vote
1answer
212 views
Ethernet sheild 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
votes
2answers
4k views
How do I use Arduino and node.js?
I am new to Arduino, however I have experience in web development, lately I have been using, meteor js and the mean stack for different projects. However, I am open to trying any language for ...
28
votes
9answers
2k 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 ...