Questions tagged [web-server]

A web-server is a system which delivers data such as web-pages to a client system.

Filter by
Sorted by
Tagged with
0
votes
0answers
9 views

ESP8266 Webserver does not respond

I am trying to reach the webserver running in my Wemos D1 Mini compatible board. I am trying one esp8266 example using Arduino examples "WifiManualServer" code below. I have replaced the SSI ...
1
vote
1answer
166 views

Sending Variable to IFTTT via ESP32 using Asynchronous Web Server

I have been trying to send three variables to IFTTT from my ESP32 using Asynchronous Web Server. However, I couldn't set the "URL" that was supposed to be the response that will trigger my IFTTT. Here'...
0
votes
0answers
16 views

NodeMCU Wi-Fi connection status sending to MySQL database

I have a simple iot web app built with bootstrap, PHP, MySQL and some JavaScript/JQuery hosted on a server. I have several NodeMCUs (each having unique id) and I'm sending temperature data via HTTP ...
0
votes
1answer
865 views

Wemos D1 mini freezing after a few minutes

I´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 ...
1
vote
0answers
24 views

NodeMCU server stops responding after a while

I'm new to NodeMCU and ESP. I've created a basic web server on my NodeMCU. The server works fine for the first few minutes after resetting the board or re-uploading code. But after about half an hour, ...
1
vote
0answers
25 views

Can't connect to internet with Proteus Arduino project

Can any one help me with making a connection to the Internet or localhost using any way to make that possible without any physical components (just virtually by simulator)? I've tried many ways such ...
1
vote
1answer
690 views

How to Set RTC in ES32 using NTP server?

I am working on ESP32 And want to set RTC from the NTP server. How can I get epoch value I have done this thing on CC3200 launchpad and used an NTP server library to obtain epoch value.
1
vote
0answers
34 views

Sending data to server

I have an SD card have a very big file (1M character). i try to load it into memory in terms of 4K character array ( The maximum I could do using Arduino Mega). but this take almost 250 call to the ...
1
vote
0answers
16 views

Serial Communication between Node-MCU and Arduino Mega [closed]

Sir mane ardunio mega 2560 my programing k hy jo k different sensor k value lake display karty hy aur sir ab my us value ko server jo k thingspeak hy aus p bajna chahta ho sir aus k leye mane esp8266 ...
0
votes
1answer
576 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
224 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"); ...
4
votes
1answer
5k 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 past. ...
1
vote
1answer
56 views

3 input (on/off/off with delay) to control 1device using ESP8266 as Web Server

I want to control one device in three ways : turn on / turn off / turn off with delay. To do that i use an ESP8266 web server + android phone app. The problem is that turn off with delay wont work. It ...
1
vote
0answers
27 views

Http Client requests

I am working on a project where the ESP 8266 sends a very long string about 3000 chas over http as client. Likewise sensor data are determined. The loop repeats itself every 250ms. Now I noticed that ...
1
vote
0answers
17 views

Ethernet Shield not connecting

I've mounted an Ethernet Shield on top of an Arduino UNO. The Arduino is connected via usb to my pc and to the network via ethernet through a switch. I'm running a simplified verison of the WebServer ...
2
votes
0answers
80 views

Controlling Offline ESP8266 from secure website

I want to control my ESP8266 device from my secure website via 2 different ways: if ESP8266 is connected to internet, commands between website and device will sent over MQTT which as working ...
1
vote
0answers
44 views

How to avoid MQTT reconnect Loop

I have the following code designed to allow me to control my device from my website using mqtt broker while internet is available. I also built in a local webserver to control the device in case of ...
1
vote
1answer
85 views

Error initializer-string for array of chars is too long using ESP32 Webserver

i tried to use an asynchronic webserver for a new project with friends using this tutorial. We want to run an FFT while also changing some settings via the webserver. Since the tutorial only put code ...
2
votes
0answers
41 views

Where to define web server callback functions so they can access server object? (ESP8266WebServer library)

I want my ESP8266-based device to create an accesspoint that allows the user to input their home ssid and password. There is a device object that holds most of the data defined elsewhere. I'm trying ...
2
votes
1answer
40 views

How do I get an HTTP_POST response?

I have a function for HTTP_POST responses but it is never called when I post to it. I get the webpage instead. I call on it with server.on("/",HTTP_POST,response); But I only get the url in ...
0
votes
1answer
53 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
votes
1answer
69 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
0answers
38 views

Peculiar relay behavior from POST

I am trying to toggle on/off between two separate HTTP request. One submit button to turn it on, and another separate submit button to turn it off. I expect the device to launch in the off/low 0V ...
1
vote
0answers
36 views

Help with ESP32-CAM “AI THINKER” module

I'm trying to make a RC car (with a surveillance camera if possible, using the web-cam code that comes with the ESP library) using a ESP-32 CAM as a wifi module to control the car using my computer. ...
1
vote
1answer
3k views

Load website from SD card

I combined two different codes together, a captive portal and a SD card web server. I encountered a problem which the website in the SD card doesn't load when I connect to the AP (captive portal page)....
0
votes
0answers
39 views

How do you concatinate an interger with a string in server.send data?

I have a class I am trying to add its global counting variable value to int switch0; class void webpage() { server.send( 200, "text/html", "<html> \ <...
0
votes
0answers
46 views

incompatible types in assignment of 'const String' to 'char [32] using server.arg

I am trying to create a class and getting getting the error incompatible types in assignment of 'const String' to 'char [32] when I declare char inString[32]; and try to set it as inString = server....
1
vote
1answer
116 views

ESP8266 SocketIOclient constant disconnect with Python WebServerSocket

I am writing a program that echos back the message sent to the web socket server on a host machine. When running the ESP module, the connection is established but immediately disconnects as seen in ...
0
votes
1answer
39 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 ...
1
vote
0answers
129 views

How to get text type form data from a website hosted by esp8266 webserver in arduino

I am learning to use esp8266 as a web server. I have done a simple example of controlling the on board LED from a HTML page hosted by esp8266. As a further improvement I wanted to add a password ...
2
votes
1answer
63 views

Latency in Websocket

I am using Websocket, for a communication from my mobile phone to a NodeMCU, and transmitting 4 channel, data, through 4 different Websocket Ports. the NodeMCU control code is here: // ============ By ...
1
vote
1answer
687 views

Replying with a html page in HTTP Web Server using esp01 and ArduinoIDE

Now there are many ways to reply with a webpage content to a user who is accessing the web server, But Keeping in mind to use as less space as possible, I was trying something new, Since i didnt got ...
1
vote
1answer
247 views

GSM library_ all examples ar working except GPRS?

i am using arduino uno and sim808. i connected the sim808 to pins 2,3 on arduino uno and used GSM library. i tested all examples: make and receive a call or messages. the part of GPRS initialization ...
-1
votes
1answer
35 views

command keeps echoing because web page tries refreshing

I want to execute a action only once when I press web page button but as the page tries refreshing the action gets executed in a loop. I am using the wifimanualwebserver example for esp8266. Please ...
1
vote
1answer
237 views

How to display CAN BUS information on EPS32 web server?

I try to display the transmitted information from CAN bus on ESP32 web server. I saved the CAN.read() in a buffer receivedChars[i] and try to display the data by client.println(receivedChars[i]);}. ...
0
votes
1answer
49 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 ...
2
votes
1answer
58 views

Run method Every Hour Passes

I have a method. I need to trigger it every hour passes.(Cron Job) I mean; 10.00 p.m -> Trigger 11.00 p.m -> Trigger 12.00 p.m ->Trigger ... ... Card: Arduino Uno + Wifi Shield. Draft Code ...
4
votes
4answers
1k views

How to assign text stored in a local file to a string at compile time

I'm developing a program that uses the HTML server in the WiFi101 library. My hardware does not have SD card storage so all source html needs to be stored as strings in the sketch at compile time. ...
0
votes
1answer
87 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 ...
2
votes
2answers
512 views

ESP12E Soft WDT reset stack trace leads to libraries

Im using ESP12E DevKit v2 (esp8266 wifi module) board for controlling relays and displaying DHT22 temp,humidity on web server. It runs smoothly when the web client is closed but when i leave the ...
1
vote
1answer
711 views

Control DC Motor with Arduino Uno WiFi Rev2 Html Slider Code

I would like to control my dc motor using the Arduino Uno WiFi Rev2 using an html range slider. Now I can control the motors speed and direction using push buttons just fine. My code is posted below ...
2
votes
1answer
7k views

WebSocketsServer.h: No such file or directory

I'm trying use the NodeMCU WebSocket. I downloaded the required libraries from: https://github.com/Links2004/arduinoWebSockets and pasted them in my Arduino libraries folder. I uploaded my code but ...
3
votes
0answers
160 views

ESP32 HTTP Server request interrupts Telnet session

I have an ESP32 application that uses a web server as a user interface. For auditing and debugging during development I use Serial; however, that is impractical in the installed system. So, I decided ...
2
votes
1answer
139 views

Creating WebServer ip:port on esp8266 module

I creating Clever House with wifi. For this I'm using ESP8266 as module connected to Arduino. They communicate with SoftwareSerial. And there's a problem with global webserver on ESP8266. That I think ...
1
vote
1answer
1k views

Why we are using client.flush() in the program code ,when we connect Esp8266 with internet or web server?

I am using Esp8266 Wifi modular (12-E) for controlling a led through the access of wifi/webserver. I have written code in Arduino ide taking various references from the google.In the code, I didn't ...
1
vote
0answers
88 views

Using Javascript XHR to upload a file to the ESP8266 fails

In the past, I was experimenting with a method of uploading files to the ESP8266 using the stock ESP8266WebServer class as the backend. The frontend is embedded in the firmware, and it runs offline, ...
-2
votes
1answer
64 views

Most Efficient & Cost Effective Home Automation Setup

I managed to build a system using Wemos D1 R1 connected to my website to retrieve data to power on or off a 5V relay. Now I would like to expand the project to control all my house outlet. Assuming I ...
1
vote
1answer
605 views

Updating Server using ESp8266 with Direction Button Pressed IN

I've connected a 5-way tactile switch to a ESP8266 module and am using the Arduino IDE to create an automatically updating web server that displays the direction that the button is pressed in when ...
1
vote
0answers
1k views

Using ESP32-CAM (with ov2640 camera image sensor) to send image via USB

I was trying to obtain image from ESP32-CAM (with ov2640 camera image sensor). I obtained the image through camera web server by connecting the ESP32-CAM and PC to same wifi network. A USB to TTL ...
2
votes
1answer
99 views

Run function concurrent to server.available()

I have a Arduino UNO WiFi Rev2 board that runs WiFiServer serving as a web server. The server listens and accepts clients using server.available(). I also want a loop that controls a servo in ...

1
2 3 4 5