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.
672 questions
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How do I ensure XIAO ESP32S3 reconnects to network?
I am writing a program for a XIAO ESP32S3 using ArduinoIDE.
The function of the program is to have the ESP open an Access Point (using AutoConnect) when it first starts up. Once the user inputs their ...
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ESP32 (Arduino): WiFi.softAPdisconnect(true) gives error + Heap Corruption issues
I have NodeMCU ESP32s and I am using Arduino framework.
I want the ESP to connect to local Wifi, so I set AP on ESP and send to it UDP packet with WIFI credentials.
I am doing it in a loop until sent ...
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WiFiManager library question (wm.setConfigPortalBlocking(false) + big delay = not working)
I'm trying to use the library in my project. An implementation with wm.setConfigPortalBlocking(false) is needed, but when a large delay is used in the loop, the portal either does not work at all, or ...
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Which WiFi module is able to host a custom web UI and can act as a station and AP?
I am an Arduino beginner. I am searching for a WiFi module that can act as a station and access point. It should have a external antenna.
I need to upload a script that starts a web server, so I can ...
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Matter protocol with Arduino Mega/Giga
I would like to try matter protocol with Arduino mega or Arduino giga.
But I don't find any sample or library. I have only found libraries compatibles with ESP32.
Do you know how I can work with ...
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609
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Connect to wifi works only without password (Problem around WPA security)
I have an ESP32 Joy-it - SBC NodeMCU-ESP32 that should be use with board "ESP32 Dev Module". IDE says : Chip is ESP32-D0WDQ6 (revision v1.0).
Website product: https://joy-it.net/en/products/...
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Arduino MKR wifi 1010 ssl certificate protection
I'm using Arduino IDE v2.1.1 and Arduino MKR wifi 1010. Everything works fine and at this moment I have a need to protect the wifi connection with ssl certificate. I have generated the ssl certificate ...
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DEVKIT V1 DOIT 30 pinout board could not read analog value when using wifi library [duplicate]
I am using DEVKIT V1 DOIT board and 30 pinout board.
When I upload this code for checking analog value from serial monitor:
// Define the analog input pin for the IR sensor
const int analogPin = ...
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Does ESP32 can support WIFIDirect
I would like to establish a simple P2P connection between an ESP32 and an Android device without the use of an access point. I should be able to send and receive data from the ESP32 through the ...
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ESP8266 Wifi connection problem
I have a Feather Huzzah, aka ESP8266, that I am trying to connect to the Wifi.
One major thing is, that my landlord decided to use the worst Wifi SSID and PW.
The SSID contains an ä and a whitespace, ...
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try to send AT commands from Arduino nano to ESP01
I encountered an issue when I try to send AT commands from Arduino nano to ESP01 I tried to find any tutorial for more helps, but I find nothing. please someone can help me.
I tried the tutorial from ...
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ESP-07s only connects to my wifi very occasionally
I've got an ESP-07s and I used an example code from the internet. When I power it and the program starts, it should just connect to my Wifi network. It has a simple webpage that should be locally ...
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Static IP configuration failed in NODEMCU
I'm trying to connect NODEMCU to my home network and set static IP address, but the static IP didn't set properly this is the code:
#include <ESP8266WiFi.h>
void setup() {
// put your setup ...
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Adafruit Feather M0 WiFi - ATSAMD21 + ATWINC1500 Firmware updater
I have a Adafruit Feather M0 WiFi - ATSAMD21 + ATWINC1500 that indicates the firmware installed is too old for the Wifi101 library (Version 0.16.1). I have been trying to do a firmware update but ...
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How to connect to AWS iot?
I am trying to connect esp8266-12f to aws iot core following this tutorial. Below is my code.
main.cpp
#include <Arduino.h>
#include <ESP8266WiFi.h>
#include "config.h"
#include &...
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Slow WiFi reconnection after deep sleep (6 to 10 seconds)
With my ESP8266, I need to make a simple GET request to a server, and then go to deep sleep (the goal is 1 year battery powered)... until a signal comes on RST and then it starts again.
The following ...
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ESP32-S3 - HttpClient only returns 200 status code no JSON payload data
I have a ESP-S3 board and am trying to get JSON data from our server. I am using the following code (see below) as a basis for mine.
This code works. If I change
http://jsonplaceholder.typicode.com/...
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How to correctly synchronize time with NTP server?
I want to synchronize time with NTP server once in some time. I am using DOIT ESP32 DEVKIT V1, I tried with getLocalTime() function but it returned true even without wifi, but as I know without wifi ...
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Communication between two ESP32s using WiFi
I have two ESP32s. One is acting as webserver and the other is acting as a client that will send a GET request to the server ESP32. Both of the ESP32s are connected to the same WiFi AP.
For sending ...
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Why does Arduino Nano 33 IoT always choose the weakest WiFi BSSID?
I have an Arduino Nano 33 IoT configured to connect to my WiFi network with a pretty straightforward code:
#include <WiFiNINA.h>
int status = WL_IDLE_STATUS;
status = WiFi.status();
while (...
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ESP32 access point with an ENC28J60 ethernet module
Does anyone know if the following is possible? Any advice would be much appreciated.
I am programming an Ethernet connected Arduino to be a webserver. What would be ideal is a small portable "...
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WeMos D1 losing WiFi connection
I have a WeMos D1 connected to an air quality sensor and publishing the value on a self-hosted website.
Initially everything works fine (although router UI does not display WeMos). After an hour or ...
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esp8266 - server.handleClient() fails to call assigned function
I'm trying to get one esp to send integers to a second as a part of a simple remote control, but after multiple days I can't get it to work. The transmitter seems like it's connecting and sending ...
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failed log in attempts on softAP
I would like to setup an access point using the esp32 that logs any/failed access attempts
i have looked through some source files, and came across esp_event.h, which seems to allow registering an ...
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Problems connecting to WiFi101 access point
I currently have two Arduino Zero boards (using the SAMD21 microcontroller), each with an ATWINC1500 wifi module attached. I have established one of these units as a wifi access point with a server ...
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