We’re rewarding the question askers & reputations are being recalculated! Read more.

Questions tagged [wifi]

Wi-Fi is a trademark of the Wi-Fi Alliance. A Wi-Fi enabled device such as a personal computer, video game console, smartphone, or digital audio player can connect to the Internet when within range of a wireless network connected to the Internet.

Filter by
Sorted by
Tagged with
-1
votes
0answers
19 views

Programming ESP-12E module using Node MCU board

I want to program the ESP-12E wifi module. After seeing one video i am using the the node MCU as a programmer. while uploading the code ,i got the error "the selected serial port_does not exist or ...
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 ...
0
votes
0answers
21 views

How to call a PHP script with Arduino?

I have Arduino Mega and ESP-12F module. Via AT commands I am on my wifi. Now, I need to call my script on my pages. Can you tell me how? This command can conenct to my pages: Serial3.print("AT+...
0
votes
0answers
31 views

ESP8266 WiFi doesn't reconnect

I've been reading this post while trying to optimize the usage of the WiFi module on my ESP8266. My main goal was to be able to connect/disconnect (respectively turn on/off) the WiFi module so I can ...
0
votes
1answer
28 views

Solar powered ESP8266. WiFi module usage optimizations

Above all, I am quite new to the ESP8266 and micro controllers development as a whole. I am now working on a project which is quite simple for now. It basically looks like this: As you can see, I ...
0
votes
2answers
37 views

WifiManager and WiFi functionally

I’m considering using wifiManager mostly to have the ability not to hard code WiFi creditntials. But In my current code I use WiFi’s functions as WiFi.setAutoReconnect(true) and WiFi.status() != ...
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
votes
2answers
39 views

ESP-01 + UNO won't detect gateway

Apparently, this combination of hardware won't accept anything other than WiFiEsp.h together with SoftwareSerial.h (if anyone knows something better/newer than these two, please let me know). Thing is:...
0
votes
0answers
26 views

NodeMcu does not connect to my wifi

this is the code , and it never connects to the wifi ,i dont know what to do , the code is an example in the blynk library
0
votes
1answer
31 views

test for wrong wifi password?

maybe this is a dumb question, but is there a way to test for wrong wifi password, I know you can do WL_CONNECT to check if the password works, but is there a command for checking if the password is ...
0
votes
0answers
20 views

Esp8266 esp01 kicks other devices off tplink router

I had an Esp8266 esp01 module programmed to log onto the router and post data. It worked fine for a few months but all of a sudden it kicks everyone else off the router. Actually as soon as I ...
-1
votes
3answers
70 views

How can I connect 6 solenoid locks to an arduino

Im in college and our research is about a fingerprint based door lock system. We really dont have any idea about arduino. Now we bought arduino mega for our research but I dont know how to connect ...
0
votes
0answers
69 views

Reading Data from Google Sheets using Nodemcu

I want to read and writ data on Google sheets using ESP8266 WIfi Nodemcu and I'm able to do it but the time interval between two writing row is 3 seconds which is too much. I can read data but I am ...
0
votes
2answers
53 views

WiFi connection in loop function

What I am trying to do is while connected locally in the esp8266 and give it a ssid and password, save them in a global variable and use them to start a connection inside loop function with a flag so ...
1
vote
1answer
35 views

ESP32 WiFiClient request missing response

I am facing problem with ESP32. I use basic example for WiFiClient and making request to my server. The problem is that the response should be 15000 bytes long, but very often I got only 2750 or less. ...
0
votes
1answer
37 views

Stream video from camera to mobile and send control signal back from mobile to Arduino via WiFi

I want to make an Ardunio based project in which I want to stream live video from camera (which is connected to Arduino borad ) to my Android app via WiFi and send back actions/control signals from my ...
0
votes
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 ...
0
votes
0answers
27 views

ESP32 + ArtNet stops responding

This is less of a FastLED specific issue and more ArtNet + ESP32, but I figure that this community has done enough of these types of things to be able to help. I have a simple sketch gluing together ...
0
votes
0answers
311 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
votes
0answers
45 views

Can't print out a field with ArduinoJSON

I'm trying to create a command interpreter. Allowed commands are stored in a JSON document inside SPIFFS. If I send an allowed command, it doesn't print the field associated with that value (end of ...
0
votes
1answer
98 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 ...
0
votes
0answers
79 views

ESP8266 WiFi.begin() isn't working

I did a project for IoT attendance system using ESP8266 and RDM6300. However, I can connect to wifi using WiFiMulti.addAP() function for my home WiFi. I tried WiFi.begin() instead of WiFiMulti.addAP(...
0
votes
1answer
35 views

Running out of GPIO & looking for suggestions

I'm working on a project using a NodeMCU and am quickly running out of GPIO pins. I'm trying to decide which way to go to complete it. Right now, I have the MCU connected to a MAX31856 PT100 ...
0
votes
0answers
122 views

Data logging from ESP32 through UDP socket to PC

The idea is to send raw sensor data from ESP32 to PC through WIFI UDP socket and store it into CSV file using Python. As you can see from the code I am chopping 8 bytes of data into single bytes and ...
0
votes
0answers
38 views

Problem with multi-client ASCII text parser (TCP)

I have been having a heck of a time getting my Arduino Uno Rev2 application to work as intended, which is to parse commands from multiple clients sending in ASCII-based commands over WiFi in order to ...
0
votes
1answer
27 views

strcat parameters throwing pointer errors in my tcp server / parser application

I am attempting to use an Arduino Uno WiFi Rev2 board to integrate some lonely data. I will use the NINA WiFi chipset and associated libraries to start a server that will periodically request and ...
1
vote
1answer
145 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 ...
0
votes
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 ...
0
votes
0answers
29 views

How to use ESPAsyncWebServer with SoftwareSerial communicating ESP01f

I'm creating a web server with using host.com/?ll="some". But I read that I can use for it ESPAsyncWebServer for this things. And how can I use it without flashing esp? If possible give me link to the ...
-1
votes
1answer
109 views

Parsing HTML GET request with params with WiFiEsp

So I'm Setting up webserver with esp-01f+arduino uno. I'm using WiFiEsp library. I want to toggle led on. Pin will be given in GET request by url. Example: host.com/?ledpin=9 How can I parse it, ...
0
votes
0answers
23 views

Node mcu does not connect

im trying to connect to my wifi with mit Nodemcu, i recently got a new router and since then i can't connect anymore. I use simple example sketches from esp library but it will not connect. Instead i ...
0
votes
0answers
110 views

TIMEOUT error when connecting ESP8266 to Arduino Uno

I am trying to set up my Arduino Uno to receive information from the internet, but I am having a very hard time finding proper guides online. I am using an Arduino Uno and ESP8266-01. I am trying to ...
0
votes
0answers
358 views

ESP-NOW: Master and Slave at the same time

I am interested to use ESP-NOW as a means to transmit data between two ESP32's back and forth, - each ESP receives and sends data, taking turns. The example library provides an example sketch for ...
0
votes
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
0answers
40 views

How to connect ESP8266 to my home WiFi securely

I'm working on a home automation project using NodeMCU ESP8266. Most of the example projects I see online provide their WiFi SSID and password in plain text at the beginning of the code by storing ...
0
votes
1answer
28 views

Sketchy Wemos D1 mini Pro

Recently, I bought a "ThingPulse ESP2866 Wifi Color Display Kit". I bought the kit before reading the reviews and finally read them the other day. Some of the reviews seem fake but a couple of them ...
0
votes
1answer
43 views

How does WiFiServer.status() work?

What are the possible outcomes of calling status() on a WiFiServer from ESP8266WiFi.h? The only documentation I could find only says it returns uint8_t. Here's the link.
0
votes
1answer
149 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
votes
1answer
161 views

Is it possible to use WiFi and Bluetooth / BLE in the same ESP32 project?

@Majenko's answer works like a charm. I did have to make some changes as follows: Per Majenko, you need to change the Tools > Partition scheme. I used "No OTA (Large APP) as he suggested and it is ...
0
votes
1answer
38 views

Adding WiFi to my Arduino Keypad Lock

I'm a really passionate beginner with arduino and electronics and I've built a Keypad lock for my room's door (inside the house). I've used an arduino that activates a motor using a transistor to ...
0
votes
0answers
47 views

Can too much power consumption cause NodeMCU to trip?

I made a home automation setup that involves a NodeMCU and a 5v relay module. Now, this setup automatically disconnects from the WiFi randomly. It sometimes connects immediately, sometimes it takes ...
0
votes
1answer
227 views

NodeMCU keeps disconnecting

I have made a home automation system consisting of a NodeMCU, 4 channel relay board running on Blynk and IFTTT. At the moment I'm only controlling a string of fairy lights and two LED strips from it, ...
0
votes
1answer
92 views

How to acheive fast and reliable communication between NodeMCUs?

I have two NodeMCU which have to send data to a server (also a NodeMCU). I want to acheive speed of atleast 10Hz because the sensor sends it at that rate. I have tried websockets and couldn't get ...
0
votes
0answers
52 views

Which of the ESP8266 alternatives allows for full packet capture/injection in promiscuous mode?

I am part of a product group that is developing a low cost wireless intrusion detection system, for home usage. We have already produced and delivered to market ESP8266 based product however for the ...
0
votes
0answers
43 views

Mkr1010 disconnects and reconnects normally until it reaches a point where it never reconnects again

The board does reconnect from time to time, but there are times where it just disconnects and never reconnects again and I can't replicate the error because while I run it with Serial open and turn ON ...
0
votes
0answers
41 views

How can remove the WiFi/Bluetooth libraries when compiling the firmware using the Arduino IDE?

I have an ESP32-D0WDQ6, which is part of the ESPIRIT freematics development kit. The processor is a 2-core Tensilica LX6 and the module has 520 kB SRAM + 4 MB external on-module flash. It also has the ...
0
votes
1answer
156 views

Understanding WiFi.printDiag(Serial)

I am having difficulty with setting up websockets using the Arduino IDE with an ESP8266 ESP8266 Websockets problem and I have added WiFi.printDiag(Serial) to the main loop of my code. The Output I get ...
0
votes
0answers
44 views

Arduino with external Wi-Fi antenna?

I need to create a project where I need to send data via Wi-Fi using an Arduino. I need the Arduino to have a U.FL connector to place an external Wi-Fi antenna (I can't use the MKR1000 with ...
0
votes
1answer
32 views

Will Funduino Joystick Shield work on a Mega?

I am trying to get a Funduino Joystick Shield working with an Arduino Mega and I need to use the WiFi capability. The specs I have found for the Funduino (see https://protosupplies.com/product/...
0
votes
0answers
31 views

I need to connect Arduino uno with esp-01 and relay control via Android application

I have trouble connecting to esp8266-01 through arduino uno and controlling relay via Android application or a local web server. I did a lot of research. I do not want to use esp-01 independently. ...