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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.

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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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I was trying to display the readings of my dht11 sensor on the Blynk dashboard but I am struggling a lot. A little help would be really appreciated. #define BLYNK_PRINT Serial /* Fill in information ...
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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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I'm trying to move my hard-coded wifi SSID/password credentials to an SD card so they can be more easily changed, but when passing the SSID to the WiFi.begin() function, I'm getting a status code 1 - &...
radioloko's user avatar
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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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I am having some issues with connecting to WiFi with an ESP32 board. It is very sloooooooooow. The first few times I tried, I left it alone for 20 minutes and it still wasn't able to connect. So I ...
Deling Ren's user avatar
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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 ...
Black's user avatar
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Hello I am trying to make a request using WiFiEsp library but even the examples not working, I have searched a lot but never solved it. most of the solutions are outdated and do not solve anything, I ...
OSMX's user avatar
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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 ...
Bob5421's user avatar
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In my sketch for ESP32, I call the network scanning function: WiFi.scanNetworks(true); but sometimes it trigger a wdt reset: E (372741) task_wdt: Task watchdog got triggered. The following tasks did ...
Mark's user avatar
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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/...
Servuc's user avatar
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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 ...
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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 ...
Semen Shekhovtsov's user avatar
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hello guys i'm new to this field i really need your help i want to wire a GSM module (SIM808) to a ESP32 board using the TX and RX pins so the pins are labeled RX and TX no pin number like the others ...
Hach Rbh's user avatar
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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 = ...
Asif Uz Zaman's user avatar
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I am using ESP-WROOM-32D in STA mode with Arduino IDE(2.0.5) ESP32 board(2.0.9). I am trying to do http post request with ESP32. Router that provides internet supports only IPv6. Here I am getting ...
dharmikP's user avatar
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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 ...
Abhay Kondru's user avatar
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Is the function server.send(); exclusive to ESP8266 modules, Arduino? Where can I find documentation regarding the application of this function with an ESP32 module with WiFi?
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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, ...
DaMusikant's user avatar
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1 answer
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I'm measuring accelerations at "high frequency" (4kHz) from an accelerometer (ADXL355/ADXL357) to an esp32. It's crucial that no sample is lost while performing a measure which last say 2 ...
AlekseyFedorovich's user avatar
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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 ...
Salomon Oholo's user avatar
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I recently got a wemos d1 mini and now am trying to connect it to my IPhone 13's hotspot, however it doesn't connect, I tried to run the wifiscan example - and it doesn't even detect it there. I tried ...
Arthur Isnt original's user avatar
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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 ...
user2190492's user avatar
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I hooked my ESP8266 Wi-Fi module to an ESP-12E Motor Shield and connected it to an RC car. It works fine when connected to my laptop (Goes forward, backward, left, and right. Though the car doesn't ...
Hamaad Fahim's user avatar
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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 ...
m0rbot's user avatar
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I am trying to implement WPS on ESP32. A WT32-SC01 Plus to be exact. It seems to working so far that I'll get the WPS connection but then it takes around 5 minutes [!!!] to get IP address from the ...
Radek Suski's user avatar
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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 ...
Rich Maes's user avatar
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3 answers
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Hello i wrote this sketch that upload a temperature reading of a DHT22 sensor to a phpMyAdmin server in localHost, the sketch work fine, the data been upload every 5 min to the server than ESP go t ...
Damiano Miazzi's user avatar
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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 &...
Jess's user avatar
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455 views

How can you make ESP32 forget all the Wi-Fi networks it was connected to? Or at least forget the one to which the board is currently connected?
Kulikov Nikita's user avatar
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1 answer
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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 ...
Basj's user avatar
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I am having doubts with a project I'm making. My project involves a sets of LEDs stripes, among which some are controlled from a smartphone, and some automated. The LED strips are connected to an ...
BruceWawe's user avatar
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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/...
BAW's user avatar
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I have a firebeetle ESP32 board and I use VScode with platformIO. My platform is espressif32 v5.0.0 and the framework is arduino. I am currently implementing a WIFI connection as follows: bool ...
Slev1n's user avatar
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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 ...
hungryman's user avatar
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I have a program where I configure my ESP32 as a server and it sent randomly generated data, the problem is that I can only connect 1 client at a time, what I want is that multiple clients can connect ...
Eduardo23484's user avatar
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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 ...
Arslan's user avatar
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I have a ATMEGA328 with ESP826 (like this http://arduinolearning.com/hardware/atmega328-esp8266-arduino-board.php) and can successfully send information from the ATMEGA328 to the ESP826 via serial. I ...
user1505631's user avatar
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3 votes
1 answer
832 views

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 (...
adamsfamily's user avatar
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I've been looking around for a solution, but couldn't manage to find one. I'm looking to send a post request from an ESP8266 on a local API. Here is my code : #include <ESP8266WiFi.h> #include &...
Nicoji_'s user avatar
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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 "...
MrExplore's user avatar
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4 votes
1 answer
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I'm quite new to ESP32 development. I've been using this devkit for a few small projects and everything was going smoothly until I decided to run it on battery. In particular, the ESP32 devkit I'm ...
luigi's user avatar
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444 views

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 ...
Han88's user avatar
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3 votes
1 answer
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I'm using the ESP32's ADC1 (not ADC2, which conflicts with WiFi functionality) to capture some analog data received at IO36 (an ADC1 port). As soon as I uncomment the WiFi.mode(WIFI_AP_STA) line (even ...
AKTanara's user avatar
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1 vote
1 answer
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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 ...
Eric Ardis's user avatar
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1 answer
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Since the ESP8266 can self program on Wifi, can we use it to program Arduino too with the binary sent via Wifi? My Arduino is connected with Reset + RX + TX pins and shared power.
thevikas's user avatar
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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 ...
matt richards's user avatar
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0 answers
661 views

I started to work with HTTPClient and the WiFly library to connect to an SSID and then send POST data to a server. When I was sending the data to my localhost, it was working on localhost, but when ...
Chris Fodor's user avatar
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1 vote
1 answer
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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 ...
David's user avatar
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2 answers
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At the top of my arduino sketch, I have the following : // softAp const char *softApSsid = "abcdefg"; const char *softApPassword = "123456"; Those are the DEFAULT ssid and ...
Musa's user avatar
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