We changed our privacy policy. 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.

134 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
3
votes
1answer
1k views

How to send HTTP request to specific port using Ciao?

I currently have a working REST client on my arduino, but the requests always go to port 80, how do I make it send the request to a specific port? This is my current code: /* File: RestClient.ino ...
3
votes
0answers
233 views

Arduino UNO WiFi RestServer returning "not found"

I'm trying to run RestServer on my Arduino UNO WiFi, and I'm currently using the tutorial from Arduino: http://www.arduino.org/learning/tutorials/boards-tutorials/restserver-and-restclient Everything ...
3
votes
0answers
328 views

Is Arduino WiFi101 library fully compatible with Arduino MKR1000 with WiFi HW?

Will all the classes in this library work with the MKR1000 with wifi hardware? The guide mentions "wifi shield". So, does the library work exactly the same with the Arduino MKR100 (with the onboard ...
3
votes
1answer
2k views

HTTPS Client with MKR1000

I am making an IoT device with the MKR1000. As a part of the process, I would like to set up an HTTPS connection to https://hit.tl8.co/api/ping (This is a website I have made and control). The ...
3
votes
0answers
783 views

Why won't Wifi Shield detect any networks? Even really close

I just purchased an Adafruit Wifi Shield CC3300 and strapped it onto my Arduino Uno board. I'm running this basic sketch that I found to test the functionality of the Wifi Shield: http://arduino.cc/...
3
votes
0answers
1k views

Hub RFID Arduino + WIFI

I will start an Arduino project and its main requirement is that some RFID readers (at most 6 readers) be connected and controled by the arduino board. I do not have a strong background in ...
3
votes
0answers
879 views

Connecting Arduino Yun to wifi with 802.1X authentication

Is it possible to connect the Yun to wifi using 802.1X authentication? 802.1X is WPA2-Enterprise that uses a username and password (per user) instead of one password (for every user). I don't see a ...
2
votes
2answers
46 views

TTGO TS I²C adress

I'm working on a project using TTGO TS wich communicate wih arduino via I²C protocole How can I find the adress of TTGO TS board used in I²C communication ?
2
votes
0answers
238 views

Using or creating Wi-Fi Direct (P2P) connection on ESP8266

I want to make a Wi-Fi Direct connection with an android device using my ESP8266. According to ESP8266WiFi Documentation and ESP8266 datasheet, the board has a SoftAP mode which is I think what is ...
2
votes
0answers
25 views

Problem displaying data sent from Arduino Mega to Arduino Mrk1000 using serial communications

I've been doing a personal project. The idea of the bigger project is to feed my fish using a robot. My specific problem is that I would like to see some data from the various sensors that I will be ...
2
votes
0answers
21 views

ESP32 reading analog 2.4Ghz

Is there a possibility to analog read on the 2.4Ghz band to just read how much activity is in the presence of your device? Not parsing the messages but just listening to how strong of a signal you are ...
2
votes
0answers
45 views

AT command AT+CWJAP command always fail when connect to wifi

Refer to connect to wifi from https://www.cooking-hacks.com/mysignals-hw-ehealth-medical-biometric-iot-platform-arduino-tutorial.html #include <MySignals.h> #include "Wire.h" #...
2
votes
0answers
77 views

Is it possible to use CCMP as cipher type on ESP32's softAP mode?

Currently I'm starting softAP mode on ESP32 with WPA2_PSK as auth type(as WPA3 is not supported for softAP). When I am trying to connect my iPhone to the softAP, iOS gives a warning that WiFi security ...
2
votes
0answers
33 views

How are the different sleep modes used for esp8266?

I am currently trying to power my esp8266 with a battery, but I want to decrease the power consumption (current mostly). I understand there are different sleep modes, but I do not understand what can ...
2
votes
1answer
78 views

Latency in Websocket

I am using Websocket, for a communication from my mobile phone to a NodeMCU, and transmitting 4 channel, data, through 4 different Websocket Ports. the NodeMCU control code is here: // ============ By ...
2
votes
0answers
66 views

Can't get fastled.h and remoteme.h to work together

I'm trying to make a Google Assistant controlled LED strip, but I'm stuck. I can control the on board LED of the nodemcu with Google Assistant, and I can control a LED strip too, but I can't combine ...
2
votes
0answers
619 views

Cannot POST to server. HTTP code -1. NodeMCU

I am trying to make a POST request with NodeMCU, but I get a HTTP status code -1. Code: #include <ESP8266HTTPClient.h> #include <ESP8266WiFi.h> #ifndef STASSID #define STASSID "Wifi" #...
2
votes
0answers
2k 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 "/...
2
votes
0answers
2k views

Esp32 sending a wav file to API via POST

I'm trying to send a .wav file to an API with an ESP32 using a HTTP Post request with a multipart/Form-data content type. I can already send the API Key as it is a plain key and get a return from the ...
2
votes
0answers
107 views

How can I power MKR1000 and 25 NeoPixels 24hrs or longer?

I have an arduino MKR1000 which I would like to run off battery power for a few days with 1-3 dimly lit NeoPixels active. Every day for an hour there will be 10 NeoPixels active. Brightness for both ...
2
votes
0answers
847 views

ESP8266WiFi client.print() strange response

I am using a NodeMCU, so ESP8266. I installed the core via the Boards Manager at the last version. My goal is to control a GoPro camera through WiFi. I am getting mad with these few lines of code: ...
2
votes
0answers
54 views

Why is my keypad requiring a double-click only on the first row to register?

I have a keypad that is connected to my Arduino and each time a key is pressed, the number should be outputted to an LCD screen. The issue is that after the screen is cleared, and a new ID is being ...
2
votes
0answers
659 views

Use ESP32 as a secure socket

I have a board without network connection, then I bought an SP-WROOM-32 dev kit because it has network connection ability. Is there any way that I use esp32 as a secure socket (just like calling ...
2
votes
0answers
2k views

Why isn't ESP8266 connecting to wifi when calling yield()?

I'm experimenting with ESP8266 and I want it to cycle through various states: LED on/off, WiFi on/off and measure the connection time, deep sleep. I wrote the following script, using millis() to ...
2
votes
0answers
276 views

ESP8266-01 system param error

I'm using esp8266-01 connected to arduino nano. Every time I tried to upload code to the esp8266 chip I get this error in the serial monitor: system param error 56 45 52 31 00 00 00 00 ff ff ff ...
2
votes
0answers
80 views

Connecting Arduino Wifi shield to Arduino Uno based Mcore board

I am trying to connect this mBot board to an external network, that's why I bought the arduino wifi shield. I am connecting the wifi shield to the 6pins (5V MOSI GND RST SCK MISO) of the mCore. ...
2
votes
0answers
545 views

Connect Arduino + WiFi Shield to Raspberry Pi

I want to send collected data (temperature sensor) from my Arduino via the WiFi shield to my Raspberry Pi. Can I do that with the WiFi library that exists in Arduino IDE ?
2
votes
0answers
2k views

WiFiManager autoconnect after timeout

I like to configure my ESP8266 with WiFiManager. After each power cycle, the config portal should open and wait for a new configuration. If there is no new configuration entered, WiFiManager should ...
2
votes
0answers
890 views

Exception 29 ESP12E Arduino

I am getting exception 29 every time I make request to HTTP using GET function. I am requesting HTTP every 20-30ms but using millis I am only reading request at 100ms in order to avoid any overflow or ...
2
votes
0answers
82 views

XBee WiFi: Does it work on the Wireless Proto Shield?

I have been following this tutorial by sparkfun https://learn.sparkfun.com/tutorials/internet-datalogging-with-arduino-and-xbee-wifi and I have XBee Wifi but not the Shield of SparkFun. I have the ...
2
votes
0answers
1k views

Arduino Wifi/Wemos Wifi D1 adding &t=0 to simple GET request

I'm attempting to make a simple get request to my website from my arduino, but I'm unable to do so. I keep getting the following error: <html> <head> <meta http-equiv="refresh" ...
2
votes
0answers
218 views

Intermittent wifi/hotspot connection

I have an Arduino Mega 2560 with a cc3000 Wifi shield that is sending messages to dweet.io. Here is the relevant portion of my code: // Post data to dweetio char data[125]; sprintf(data, "?t1=...
2
votes
0answers
49 views

WLAN module compatible with ArduiMU V3+

Current I use my ArduiMU V3+ with a Bluetooth Mate (from Sparkfun) but I've got a lot of connection problems with it. I'm looking for a better solution involving WLAN and am wondering whether there ...
2
votes
0answers
241 views

cc3000 WiFi distrupting DS18b20 temp measurements

I am trying to post temperature measurements from DS18b20 thermal sensors to an online repository using a cc3000 WiFi shield on an Arduino Mega. It works great, once. All the temperatures get read ...
2
votes
0answers
533 views

How to use console.log message from nodejs server, to control led pin 13?

I want to use Arduino Yun as a client, that connects to my nodejs server, receives a message from nodejs and then change led pin 13 on/off according to the message send. I have this example of a ...
2
votes
0answers
3k views

My Computer Doesn't Realize ESP8266 ESP-05 is Connected or not

I wired ESP-05 to my usb-to-ttl as images below. I connected it to USB #2 port, and my computer seems not knowing this. I also tried to send "AT+RST" through Realterm but, it didn't work neither.
2
votes
0answers
640 views

Sparkfun Red board and CC3000 shield not allowing multiple HTTP_GET requests.

I have a SparkFun Red board (Arduino Uno R3) with a SparkFun CC3000 shield attached. I am trying to post data to the "data.sparkfun.com" service in order to test a basic Wifi data logger. I am using ...
2
votes
0answers
2k views

Connection issues with TI CC3000 & Arduino Uno

I bought a CC3000 Wifi Shield from Sparkfun and attached it to Arduino Uno board. As first thing I tested the board with the board test example: SparkFun CC3000 - Board Test CC3000 ...
1
vote
0answers
52 views

Bluetooth module with lowest latency to communicate with PC

I am making a haptic feedback glove using Arduino and HC-05 bluetooth module to communicate with PC. There are rotary encoders on the finger which send value to PC through Arduino mega. The PC returns ...
1
vote
0answers
38 views

Is it possible to upload a private root certificate to an Arduino Nano33?

I'm trying to connect an Arduino Nano 33 to an mqtt broker with TLS authenticaton on the broker side. To do that I need my Arduino board to have access to the the root certificate. My understanding is ...
1
vote
0answers
39 views

ESP8266 Webserver does not respond

I am trying to reach the webserver running in my Wemos D1 Mini compatible board. I am trying one esp8266 example using Arduino examples "WifiManualServer" code below. I have replaced the SSI ...
1
vote
0answers
46 views

ESP32 Post Request Not Working

This sample code for the esp32 doesn't work. When contacting the website I get a 301 error and the website acts as if nothing was ever recieved. Note: Been using arduino for 2 years. /* Rui Santos ...
1
vote
0answers
49 views

nodemcu POST request over https return error code -1

I have a nodejs application deployed and have been trying to send data to the api using the following sketch on my nodemcu: #include <ESP8266HTTPClient.h> #include <ESP8266WiFi.h> void ...
1
vote
0answers
26 views

ESP-01 doesn't seems to send any data over serial once it is connected to the wifi router

how are you?. I'm using an ESP-01 with platformIO wich is programmed using esptool.py to run an example of a web server that I found in a book called "NodeMCU ESP8266 Communication Methods and ...
1
vote
0answers
27 views

ESP8366: ets Jan 8 2013,rst cause:4, boot mode:(1,7)

I am trying to control esp8266 esp 01 with Alexa This is my code: #include <Arduino.h> #include <ESP8266WiFi.h> #include "fauxmoESP.h" #define ssid "admin" #define ...
1
vote
0answers
199 views

WiFi101 vs WiFININA - reliability issues

I've got the same code running on 2 different boards: MKR1010 Adafruit Feather M0 I'm using WiFiNINA on the former, and WiFi101 on the latter. Other than that, the code that's exactly the same: ...
1
vote
0answers
44 views

AT Commands ESP8266 Arduino IDE serial monitor not print any data from server. It say 408 request timeout

i am new in arduino and ESP8266 module. I am still learning about AT command. But i found this problem: 1.My website code (index.html)-http://nyalalampu.atwebpages.com: <html> <body> <?...
1
vote
1answer
56 views

How to control baby swing?

I am starting an intresting DIY project of baby swing. My son is 3 month old and we have swing made with ropes in our house where he sleeps. I am looking for any electronic component controlled with ...
1
vote
0answers
27 views

ESP8266 WiFiEspClient Disconnect 3 with GPS

I have recovered an old sketch (2 years ago) in which I used 2 DHT22 sensors and sent the values to an web app to store in database. The sketch works fine with a ES8266 module connected to an arduino ...
1
vote
0answers
57 views

Help using an Arduino as as an FTDI with a ESP8266 carrier shield to see an AT response

I have a Duinopeak shield that lets you plug on an ESP-01 and provides a 5V-3.3V regulator and level shifting for the Tx and Rx pins. I cannot get it to work with a setup that has worked with every ...