Questions tagged [web-server]
A web-server is a system which delivers data such as web-pages to a client system.
188
questions
0
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23 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 ...
0
votes
1answer
13 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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0answers
12 views
connection to ESP using pyVisa
I'm building a small LXI device using a the OLIMEX ESP32 POE Board.
Sending commands to the device using pyVisa works fine, but queries don't.
Only the IDN? query works.
From the ESP I get the ...
0
votes
1answer
26 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 ...
0
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1answer
48 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 ...
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1answer
29 views
how to convert date to timestamp? [duplicate]
How should I convert date format(dd-mm-yyyy) to timestamp value . Can anyone suggest code how to convert and where to put code .
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1answer
45 views
How do I send Sensor Data from one Arduino to another Arduino that is a Webserver to post it?
I have been looking for over 2 hours now and just cant get it figured out. Im very confused as to how to do this. The solution I thought I found was to use HTTP POST. But I just cant get it to work. ...
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0answers
35 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 ...
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0answers
25 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 ...
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0answers
19 views
Nodemcu POST Response “-1”
Nodemcu device is returning HTTP response -1 for a POST request on django rest api.
I tried the below http request to Postman, and it works perfectly fine.
http://localhost:8000/api/datalogs/?plant=...
0
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0answers
319 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 ...
0
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0answers
86 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 ...
0
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1answer
99 views
Multiple WiFi client/server connections
I'm implementing a WiFi HTML web server using the WiFiNINA library, an Adafruit Airlift ESP32 coprocessor, and a Teensy 3.5. It's starting to work, but I have a couple of questions. This simplified ...
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0answers
49 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),...
0
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0answers
387 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 ...
1
vote
1answer
147 views
Error Compiling sketch for Arduino Uno(ld return 1)
I have got an telnet server with esp8266 + SoftwareSerial+ UNO, and here I want to on led with command ON .
will be 1 or 2. It is for recive 1 or 2 numbered pins.
And I extract pin from request with ...
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0answers
28 views
wemos ESP8266 fastled webmaster slave copies the master
I have been searching for a solution and attempting to make a solution where that a wemos running an existing project consisting of using a web server to control ws2812b lights, the basic code allows ...
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0answers
32 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 ...
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0answers
31 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'...
0
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1answer
51 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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0answers
52 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 ...
0
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0answers
21 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 ...
0
votes
1answer
151 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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0answers
24 views
connected collar with GPS, temperature and heart rate sensors + microphone
I am taking part in a project as part of a challenge and I'm in charge of the embedded systems part, this is my first time working on a project of this scale. I am looking for a way to wirelessly send ...
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0answers
32 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 ...
0
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1answer
37 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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votes
1answer
57 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 ...
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vote
2answers
170 views
ESP8266 Webserver not reachable after 2 minutes from reset
I have a Keyes Espressif ESP8266 NodeMCU, I have two LEDs that I want to control which are connected to the ESP. When I open the webpage http://10.0.0.5/5 after uploading the sketch it works fine. If ...
0
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1answer
26 views
Change css form color from esp32 if statement
I am fairly new to arduino and ESP though am very familiar with css and javascript.
I have an esp webserver that includes a button
client.print("<button style='background-color: #F30C0C; color:#...
1
vote
1answer
38 views
Webpage values wont update
I've been trying to run the following esp32 LED PWM code to change the LED's brightness, and show the current PWM duty on the webpage, but the PWM values on the webpage won't change until I hit the ...
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0answers
47 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
59 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
63 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.
...
1
vote
1answer
92 views
Mega <> esp8266 comms sending baffling data
I have Wemos Mega-ESP8266 board. I have uploaded a simple WebSocket server on the ESP...
#include <ESP8266WiFi.h>
#include <WebSocketsServer.h>
const char* ssid = "SKYNET";
const ...
1
vote
1answer
28 views
HTTP myphp request error RFID
This program is a program which readings of rfid are saved to myphp database. I have a problem when running the code The wifi is connected but when the code doesn't save im assuming that the problem ...
0
votes
1answer
318 views
Esp8266 not responding to GET request from Android app created using MIT App Inventor
I hope I am posting this question in the right section.
I am making a Smart Home Project for my college semester finals. I am using an Atmega328p microcontroller along with an ESP8266 (Esp 01). The ...
0
votes
2answers
204 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
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0answers
306 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 "/...
0
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0answers
32 views
Setting up WiFi on NodeMCU with wrong password drops ESP8266WebServer connection [duplicate]
I am trying to build a simple demo with NodeMCU module:
NodeMCU opens AP and sets up web server
Client connects to this AP, sends payload to web server to setup WiFI on the module and receives ...
1
vote
0answers
206 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 ...
0
votes
0answers
98 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 ...
0
votes
2answers
57 views
Arduino security
My question is how secure can I make an Arduino? The project I am working on would put the Arduino out in the public (school campus inside a trash can to sense how much trash is in it) and I want to ...
0
votes
2answers
349 views
My ESP8266 web server is only displaying text, even after ensuring content type is text/HTML
So I just got my two ESP8266/ESP-12E WiFi development boards in the mail as I am trying to set up a few home automation devices in my house. I've gotten much further than I thought I would today, ...
1
vote
0answers
31 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 ...
0
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1answer
518 views
Arduino IDE + ESP32 Webserver - how to redirect to root after click on button
I'm trying to use ESP32 + Arduino IDE to control a relay.
I've started by using the library and the code below.
The problem I'm having:
after clicking on the button and activating the pin, if the ...
0
votes
1answer
137 views
Large(ish) strings failing to send over WiFi101 using WiFiServer
I've based a sketch off the vanilla WiFi101 server examples.
If I define a const char array like this:
const char HTML_index[] = "<html><head></head><body>test</body>&...
1
vote
3answers
116 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. ...
-1
votes
1answer
208 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 ...
0
votes
0answers
63 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 ...
1
vote
0answers
434 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 ...
