Questions tagged [web-server]
A web-server is a system which delivers data such as web-pages to a client system.
238
questions
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ESP32 OTAWebUpdater only works on mobile
I'm experiencing something strange. I opened the default ESP32 example "OTAWebUpdater" in the ArduinoIDE and modified just the network part (I created a soft AP instead). The problem is, when I ...
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0answers
36 views
Connect Arduino and ESP8266 NodeMCU
I want to connect multiple sensors and see their measurements via ESP8266 Web Server. But, the problem is that ESP8266 has only one analog pin and I can't connect multiple sensors to it, so i need to ...
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1answer
100 views
How to handle a ESP8266 webserver only to the access point?
I'm developing a application that needs to be somewhat secure, so to configure the parameters it handles a GPIO interrupt (from a button) to open a server, that lets you configure it. The problem is ...
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0answers
184 views
ESP8266 webserver does not return latest HTTP response
I tried getting a HTTP response from an ESP8266 which is in HTTP server mode, I am getting a response but not the latest one, response is always one command previous to that of my request to the ESP.
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0answers
1k views
Arduino HTTP post image to external server
I'm trying to send an image from SPIFFS to my external server. When pictures are taken, they are saved into "/pics/" directory within SPIFFS. Ultimately, I'd like to post all the images saved onto "/...
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439 views
Cant get rid of Soft WDT reset using ESP8266
Im using ESP12E DevKit v2 (esp8266 wifi module) board for controlling relays and displaying DHT22 temp,humidity on web server. It runs smoothly but after while i always get a watchdog timer reset. (If ...
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199 views
Webserver on Arduino Mega with Ethernet Shield
I am working with an official Arduino Mega. I have mounted an officiel Ethernet Shield rev 2.
Everything works great, i have wrote a very basic webserver.
I wanted to host a bootstrap css file on my ...
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0answers
38 views
Help with app controlled Arduino sensors [closed]
(I'm a beginner in using Arduino and MIT App Inventor)
We have this project (an app-controlled aquaponics system) where our group decided to use an app to control the arduino sensors and then show the ...
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136 views
Sensors are not function with ESP8266 WeMos-D1R2
I attached all sensor into the Wemos-D1 for uploading the sensor data to the server. but when I upload the data to the server, it connects to the server but cannot save the data into the database and ...
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0answers
3k views
Arduino ESP8266 Webserver SD
I connect Micro SD card adapter to my esp8266. I uploaded the SD webserver example sketch into the esp8266, everything works perfectly once I created index.htm, now I add LED to digital pin 4, now, ...
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605 views
Exporting an html for esp8266
EDIT: Added "web page source" ("In the end", :D )
(Please, sorry if this question isn't in the right place, feel free to move it to that place)
Here I have a problem:
In my house I have a self-...
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1answer
3k views
HTTPS with ESP8266WebServer?
I see many ESP8266HTTPClient examples, pasting in a fingerprint from an outside website, but I want to host an html page from the ESP8266 in AP mode using HTTPS.
Judging by the lack of examples, and ...
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52 views
checking if user is opening root entry point of the IP address on esp8266 webserver
I am trying to open load a webpage from ESP8266 that displays temperature and humidity of my room if I only type root URL:192.168.1.89
GET / HTTP/1.1
Host: 192.168.1.89
Connection: keep-alive
Upgrade-...
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1answer
856 views
Wemos D1 mini freezing after a few minutes
IĀ“m using a Wemos D1 mini board to control a RGB LED Strip and programmed a simple code with the Arduino IDE. The Wemos conects to my Internet just fine and with the IP adress I can change the RGB ...
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0answers
45 views
Getting data from web form [duplicate]
I am using an EthernetServer and EthernetClient with Arduino in order to make a simple webpage. I have a web form for a user to enter various codes that can reset data stored on the back end. However, ...
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875 views
Exception 29 ESP12E Arduino
I am getting exception 29 every time I make request to HTTP using GET function. I am requesting HTTP every 20-30ms but using millis I am only reading request at 100ms in order to avoid any overflow or ...
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1answer
12k views
POST data from Arduino to website
I am working on a project where I am trying to send data using HTTP and POST method from my Arduino Mega2560 to a website which I host on localhost. I am living to a students' accommodation and thus, ...
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0answers
551 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 what'...
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0answers
68 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 ...
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0answers
224 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 ...
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0answers
523 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 ...
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0answers
534 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 ...
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0answers
700 views
Can you interface GSM, WiFi, and Bluetooth LE shield to Arduino?
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 ...
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1answer
6k 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) ...
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1answer
952 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 ...
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2answers
251 views
if two arduinos are connected by I2C and one of them is using an ethernet shield, does that grant both of them access to the internet?
i have two arduino mega and they send data to each other by an I2C connection. But one of those arduinos is connected to an ethernet shield which allows it to send data to a web server. Being both ...
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1answer
3k 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
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1answer
41 views
Connecting Web Server in GoDaddy Hosting
I have a domain. It is hosted by GoDaddy. I need to connect that server and receive some data by executing PHP files.
I am not sure about the components.
Tutorials on internet describes how to control ...
0
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1answer
5k views
Sending binary data to HTTP server
I am new to low level programming.I am trying to send binary data to the http server.At the moment i just fill up the byte array with numbers and send them to the server(eventually i want to send ...
0
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1answer
2k 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 these ...
0
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1answer
46 views
How to access GPS location without internet
I need to provide a basic geolocation service for my clients. I built a location service based on the phone geolocation. It works great, not a problem. My problem is that some of my clients don't have ...
0
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1answer
34 views
How do I make two (or more) pins available on my server url?
I have a webserver configured on my esp8266 with is set to fire off electrical relay0 on my 8 port relay board.
The device initializes relay0 perfectly and without errors.
But when I configure the ...
0
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1answer
46 views
Is there a way to send a String via a Webserver Textbox without the use of the SD card?
Since my last post, I've been trying to do some extra things with my Stranger Things Wall Project.
I connected a LCD Screen (16x2) that will take any text being processed to the wall and show what is ...
0
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1answer
56 views
Securing ESP8266 connections
In my setup, I've got a number of ESP8266 devices around my home controlling various devices like my boiler and some lights.
They're all controlled by a central smart hub on a Raspberry Pi with a ...
0
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1answer
49 views
Can you make Arduino Uno send information through a WiFi module to a server?
A lot of tutorials are about how to control Arduino through WiFi, but I need my Arduino to send information about motion sensor activity to a server. Is that possible?
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2answers
294 views
ESP Web Server calling javascript function
Is there a way to call javascript functions from ESP?
I don't want to call ajax requests every few seconds. I want to update my values only when they change.
Can it by done? Thanx.
0
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1answer
154 views
Esp8266 + Atmega328p as flash
Being clear I'm not talking about How to flash ESP8266 using arduino.
I want to ask how can I use atmega328p as flash with esp8266 (instead of that 8 pin small chip on ESP-01) so that I can burn ...
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1answer
1k views
Create one server in AP mode and another in station mode
I'm trying to connect one ESP8266 to WiFi as a WebServer in station mode and to another ESP8266 as a server (that has no web pages) in AP mode.
The problem is both servers are being created in AP ...
0
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1answer
330 views
ESP8266-01 wdt reset after uploading code
I'm using code from here: ESP8266 example: Wi-Fi Access point, static IP, web-server and remote GPIO control.
Everything running ok this morning, but now I don't know why wasn't working...
This is ...
0
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2answers
147 views
Stability issue with webserver and smartmeter logging
In the past few months I have successfully logged the data from the power and gas meter in my house to a remote web server.
Now I try to add the ability to enable and disable my doorbell over the ...
0
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1answer
93 views
Why doesn't this code work?
I'm having trouble programming an Arduino Uno with this sketch, the sketch compiles and I get full serial output and an IP address, but no web browser can connect to it.
I've tried this Arduino ...
0
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3answers
2k views
Arduino Sending faster/more data to a web server
I'm working on a project that reads vibration on a building using an accelerometer and displaying it's data on a web server. The plan is to read 10 samples/second from the accelerometer and send that ...
0
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2answers
4k views
Simple webpage serve with Arduino ethernet shield on SD card
I have been experiment with the arduino uno board from few days but can't seem to make it serve web page stored in SD card of ethernet shield.
If I print the contents of the file to serial it works ...
0
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2answers
66 views
Connect Digital monitor to Arduino?
I need a small display with ~ 5 digits.
The display needs to show number of visits to my site in real-time.
(Every time someone visits it needs to increase by one).
I thought to create an app, that ...
0
votes
1answer
671 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
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1answer
37 views
HTTP_GET not clarified in scope
I'm trying to do an async webserver with access point using an ESP32.
It's a little bit of a mix between This tutorial for AP and async and this tutorial since it's also with an async webserver and it ...
0
votes
1answer
87 views
Refreshing a web-page hangs after few times
I'm using a Nucleo F429ZI board and I wrote a sketch that enables a simple web-server:
#include <LwIP.h>
#include <STM32Ethernet.h>
const int WEB_PORT = 80;
EthernetServer server(...
0
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1answer
84 views
How do I properly use the WiFi capabilities of ESP8266?
I am creating a project with an ESP8266 (Arduino IDE) which requires it to serve a webpage to a client. The module will be connected to a WiFi network by default, but when that WiFi network is not ...
0
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1answer
57 views
why arduino can not write to server?
i write a code for Arduino + SIM800 for connecting to server.
but it don't work!
SerialGsm.println("AT+CIPSEND=63\r\n");
delay( 1000 );
receive_message();
SerialGsm.print( "GET http://sasasas.ir.ir/...
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1answer
538 views
Sim800L Uploading issues, HTTPACTION returns 0, 302, 701
I'm using the Sim800L module and the NEO6M GPS Module in combination with an Arduino nano to create a simple tracking device. I get the data from the GPS and try to upload it to my site with some ...
