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Questions tagged [web-server]

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

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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 ...
Joshua Francis's user avatar
3 votes
0 answers
538 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 ...
Eric Vortriede's user avatar
3 votes
0 answers
245 views

Arduino UNO WiFi RestServer returning "not found"

I'm trying to run RestServer on my Arduino UNO WiFi, and I'm currently using the tutorial from Arduino: http://www.arduino.org/learning/tutorials/boards-tutorials/restserver-and-restclient Everything ...
Mason's user avatar
  • 227
2 votes
0 answers
386 views

Using both FastLED and Webserver without glitches possible?

I'm using an ESP8266 to control a short strip of WS2812 LEDs. I also want some way of remote Control so I'm looking into using a Web UI with the ESPAsyncWebServer library. However using that Webserver ...
Christopher's user avatar
2 votes
0 answers
475 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 ...
ASH's user avatar
  • 45
2 votes
0 answers
419 views

Delayed response from web server

I am trying to implement a web server in ESP8266 that will handle simple HTTP GET requests by initiating an operation (e.g. move a stepper motor to the requested position) and return a response when ...
P. Kouvarakis's user avatar
2 votes
0 answers
2k 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 "/...
fern132's user avatar
  • 23
2 votes
0 answers
902 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 ...
Dan's user avatar
  • 41
2 votes
0 answers
874 views

HTTPS POST method fails in esp32

I was trying to connect with server but, I was unable to post the data. I have added the SSL key to connect with server that is happening but HTTPS POST is not. I tried the same method with http, I am ...
Mohit Tripathi's user avatar
2 votes
0 answers
2k views

Sending data from webserver to Arduino

Hello Arduino enthusiasts! I've been working on a keypad lock system for school lately and I need some advice.Basically, my code checks if the entered passcode is the same than a predefined passcode ...
Arxkz's user avatar
  • 23
2 votes
0 answers
956 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 ...
MICRO's user avatar
  • 498
2 votes
0 answers
4k 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 library(...
DevX's user avatar
  • 123
2 votes
0 answers
575 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'...
Rodrigo Sasse's user avatar
2 votes
0 answers
76 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 ...
Alexander M's user avatar
2 votes
0 answers
583 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 ...
Tommy Otzen's user avatar
2 votes
0 answers
542 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 ...
Ekrem Doğan's user avatar
1 vote
0 answers
43 views

Esp8266 WebServer crashes when I use PracticalCrypto library! why?

So here is my code, Its the simple_server example from ESPAsyncWebServer.h and encryption example from PracticalCrypto.h combined. the webserver works fine and I can see the / page, but the moment I ...
T R Y's user avatar
  • 75
1 vote
1 answer
132 views

How can I host a WiFi network from an Arduino getting a connection from a SIM card?

My friend and I are doing a project and we're stuck on a problem. We tried looking stuff up but it looks like no one documented something similar before. Basically, what we want to do is have one ...
loom's user avatar
  • 21
1 vote
0 answers
41 views

Why is this buffer not being sent to the server?

I'm loading a buffer with different data recorded by sensors and sending them to a server. But I also wanted to log when the data was sent on the client side, so I formatted the time of my RTC clock ...
5TableLegs's user avatar
1 vote
0 answers
868 views

ESP8266 ESPAsyncWebServer LittleFS crashes

I am trying to write a simple web page to be served from my ESP8266 based on this tutorial: https://www.mischianti.org/2020/10/26/web-server-with-esp8266-and-esp32-byte-array-gzipped-pages-and-spiffs-...
Alex Hope O'Connor's user avatar
1 vote
0 answers
197 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, ...
Muhammed Gül's user avatar
1 vote
0 answers
62 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 ...
Antoun's user avatar
  • 11
1 vote
0 answers
234 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 ...
TrompetenTom's user avatar
1 vote
1 answer
3k 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 ...
ASH's user avatar
  • 45
1 vote
0 answers
49 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 ...
brad's user avatar
  • 201
1 vote
0 answers
1k 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....
brad's user avatar
  • 201
1 vote
0 answers
3k views

TCP client readStringUntil only when data exists

I have the attached script that reads data from a socket server (it is PHP at the server end). My problem (I think) is that the readStringUntil() needs a test above it, so that it "reads up to \r&...
adrianTNT's user avatar
  • 252
1 vote
0 answers
60 views

how to set up an ESP8266 as a webserver

I would like to set up an esp8266, connected arduino as a webserver, specifically, one that has its own IP, and is stand alone, not connected to other networks, and offers its sensor info as the ...
j0h's user avatar
  • 892
1 vote
0 answers
71 views

Parsing Data from local websever

i´m trying to build a little monitor of an ESP8266 and an OLED display that displayes the Status of a Robotarm. The robotarm is controled by a RAMPSboard that has a webserver, so i can check the ...
Tom Kresse's user avatar
1 vote
0 answers
984 views

How to get the body of an HTTP request?

I want to read a binary body datas from an HTTP POST request. The context is that I'm making a LED strip controller and I'm currently using this code : #include <WebServer.h> #include <...
Devilish Spirits's user avatar
1 vote
0 answers
102 views

Getting maxretry error when trying to ping using python requests or urllib3

I have written this code working on SimpleHost example from ESP8266Ping library, the code works, #include <ESP8266WiFi.h> #include <ESP8266Ping.h> #include <ESP8266WebServer.h> #...
Ciasto piekarz's user avatar
1 vote
0 answers
147 views

8266 get uint8_t PROGMEM array from uploaded file

I'm new programming arduino. I have connected an Adafruit thermal printer to an ESP8266 board. I've the example code for use the board like a webserver that allow upload files. What i want is to ...
Rafael Muñoz's user avatar
1 vote
0 answers
465 views

ESP8266 keeps restarting after a few hours of use and dead after 1 month of use

I have tried to make a water heater relay controlled by an ESP8266 (NodeMCU v1.0). The ESP8266 is connected to a central WiFi in my house, the ESP8266 also has its own WiFi so I use STA and AP mode ...
shafiyyah's user avatar
1 vote
0 answers
53 views

Extend Pyduino over wireless network

I followed a guide to control my arduino uno using a python web server API (flask), and it works like a charm using the COM port on my PC. I would like to extend this over the network with an ESP8266 ...
stelioball's user avatar
1 vote
0 answers
188 views

How to implement server.on() without any libraries?

I was trying to setup a web server with Arduino and ESP32, without using the ESP32 libraries. Currently I'm able to display a webpage(a form with single submit button) from the server, with only using ...
Sumithran's user avatar
  • 131
1 vote
0 answers
4k views

Send Arduino data to PHP inorder to upload in MySQL database

I'm trying to send arduino data to my online web server using a Arduino Uno and a Ethernet shield. I used POST method for sending data and tried sending data to my sever (add.php) using a online POST ...
Chathuranga Lakmal's user avatar
1 vote
0 answers
460 views

Creating global webserver without port forwarding

I'm setting up a "Smart House" project with Arduino+Esp01F(Serial Communication). But I want to make it global server. For it I use WiFiEsp library. But for it I must Get any port (neither 80 nor 443),...
TheGamerCoder's user avatar
1 vote
0 answers
2k 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 ...
Aban Varghese's user avatar
1 vote
0 answers
135 views

Why sometimes parsed data is null in WiFiEsp?

I'm setting up web server with args. As host.com/?pin=9. I parsed the response by indexOf and substring functions. In first connection response has been successfully parsed and number has been parsed ...
TheGamerCoder's user avatar
1 vote
0 answers
181 views

Creating WebServer with 5000 port with AT command(ESP-01f)

I'm setting webserver with toggle led. I want to create global webserver. I`m mean hat use server with global ip. For it I must use port too. global ip/local ip:port. I want to create on 5000 port. I'...
TheGamerCoder's user avatar
1 vote
0 answers
472 views

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 ...
Akiyama's user avatar
  • 11
1 vote
0 answers
41 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 ...
Janko Pjer's user avatar
1 vote
0 answers
405 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. ...
SPRUCE AUTOMATION's user avatar
1 vote
0 answers
222 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 ...
Annoymous20's user avatar
1 vote
0 answers
4k 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, ...
Alex Zhuravel's user avatar
1 vote
0 answers
715 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-...
k.Cyborg's user avatar
  • 262
1 vote
0 answers
54 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-...
Ciasto piekarz's user avatar
1 vote
0 answers
2k views

WiFiESP constantly losing connection

I am working on a traffic light with a ESP8266-01 wifi module on an Arduino. The wifi card should act as a server and wait for a request to come in at /R (red), /Y (yellow), /G (green) or /O (off) and ...
Paul Peelen's user avatar
1 vote
0 answers
242 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 ...
DanAbdn's user avatar
  • 161
1 vote
1 answer
441 views

Why when I try to connect my ESP8266 to my node sever in my localhost it keep getting disconnect and connect?

I think the issue is within the library because I have try to implement this code according to the tutorial that I found in YouTube Youtube. The discussion of this tutorial is the first they implement ...
Ly Bunvath's user avatar