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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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.
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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 ...
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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 ...
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Uploading file via AJAX fails on ESP8266

I have an interesting issue. I have created a copy of the web-server OTA updater library that is designed to print the progress of the update. I cannot of course show the progress while it's rebooting ...
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330 views

Controled in the led by Arduino UNO to Firebase through ESP8266-01+ MIT App Inventor

exchange community , help me community :( I want to control led by MIT App Inventor with used Arduino UNO to Firebase through ESP8266-01 Notes : 1-The led connected pin 11 on Arduino-Uno 2-The ...
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96 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 <...
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Send data to lcd and server via esp8266

The code below, as it stands, works correctly. It connects to a local server (so Token and everything else is no problem sharing) and transmits the data via post. However, when I uncomment the lines ...
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306 views

Arduino uno wifi rev2 get status code from server data

I'm having trouble figuring out how I can extract data from my server call. I am trying to check whether the code that was entered in a boxlock matches the code stored in our database. If the code ...
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332 views

Arduino uno wifi rev2 get json data from api

I'm not so familiar with Arduino UNO wifi rev2. I bought it for a project that I am working on. In general, I have a box that you can open with a code. The Arduino should make a call to the API and ...
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32 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> #...
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98 views

WiFiServer Stops After Reconnection to WiFi

In the following code, the Arduino is reconnecting to the WiFi after several loops. The idea is to check and re-establish WiFi connection every 30 minutes or so. However, the WiFiServer seems to ...
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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 ...
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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(...
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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 ...
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1answer
1k views

Any way to pass EthernetClient to function outside of loop automatically?

I have an Arduino webserver that displays many buttons over a webpage (73 at the moment) that toggle different switches. I shortened up the button-drawing code with this function: void displayButton(...
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1answer
564 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, ...
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1answer
217 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"); ...
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1answer
393 views

Display Wireless Temperature Sensor data to Web page by using Serial communication

I am reading from wireless temperature sensor with help of gateway receiver connected to Arduino UNO, using this code I need to display the data of the wireless sensor on the webpage. Any ...
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1answer
973 views

Where can i get a current Websockets Library for Arduino that will work with the Ethernet Shield

I'm trying to get a simple WebSocket client working on an Arduino Mega with an ethernet shield. I tested the ethernet on the Arduino and it's working fine. I've tried a few of different WebSocket ...

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