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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.

140 questions with no upvoted or accepted answers
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1answer
389 views

Yun did not connect to WiFi after configuration and restart

When examined we find that Yun is still in master mode and 0% signal. Any procedure known to solve this problem manually? We can access Linux command under Mater mode AP-mode and print WiFi status /...
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0answers
127 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
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0answers
224 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 ...
2
votes
1answer
711 views

Making two Arduinos/MKR1000 communicate

I am trying to create a project in my free time just for a bit of fun - it consists of two MKR1000 (one acting as a web server connected to one laptop, and the other acting as a web client connected ...
2
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0answers
311 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 ...
2
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0answers
766 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/...
2
votes
1answer
2k views

Arduino CC3000 websocket client

I am working for arduino websocket client with CC3000 wifi board from adafruit. I have usde this websocket example as a reference and modified to work with cc3000 wifi board. I am not able to connect ...
2
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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 ...
2
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0answers
837 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
1answer
971 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 ...
1
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0answers
39 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 ...
1
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0answers
714 views

Send file from ESP to server via FTP

I've a code which records sound to SD, then starts an FTP connection for a limited time. I want to make an automatic system which records then sends the sound file continuously. Now I'm recording ...
1
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0answers
311 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 "/...
1
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0answers
227 views

OTA port not showing up

I am using the BasicOTA file and after uploading and rebooting the board everything works and I get a message in the serial monitor saying "Ready" and my board's IP address. However, the board doesn't ...
1
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0answers
56 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 ...
1
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0answers
1k views

espcomm_sync failed when connecting ESP8266 (ESP-01)

I'm new to the Arduino (I'm a developer but didn't have a chance to work with this kind of device before) and wanted to connect my ESP8266 to the Arduino Uno. I followed this tutorial but I got errors:...
1
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0answers
628 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: ...
1
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0answers
46 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 ...
1
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0answers
473 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 ...
1
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0answers
190 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 ...
1
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1answer
688 views

Wemos D1 mini freezing after a few minutes

I´m using a Wemos D1 mini board to control a RGB LED Strip and programmed a simple code with the Arduino IDE. The Wemos conects to my Internet just fine and with the IP adress I can change the RGB ...
1
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0answers
72 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. ...
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0answers
497 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 ?
1
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0answers
1k 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 ...
1
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0answers
823 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 ...
1
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0answers
78 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 ...
1
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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" ...
1
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0answers
213 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=...
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0answers
482 views

HLK-RM04 wifi shield factory reset?

Ok i have this peace of crap HLK-RM04 it came with no catalogue or manual all threads about it are in Chinese after when i found the configuration webpage and changing it to client it wont ...
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0answers
46 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 ...
1
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0answers
218 views

Yun - FileSystem.Open prevents client.println from outputting to web page

The below code is meant to display lines stored in a text file to an arduino based web page (it's a IR gate monitoring solution). When I visit I can execute client.println("hello") and I see the ...
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0answers
232 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 ...
1
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0answers
507 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 ...
1
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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.
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0answers
635 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 ...
1
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0answers
237 views

A robust IoT module with CC3000

I'm trying to report temperature to a server every minute using the CC3000 and Adafruit's library. It runs between 2-20 hours before the connectTCP() call stops working. Should I run through the ...
1
vote
0answers
688 views

Can you interface GSM, WiFi, and Bluetooth LE shield to Arduino?

I have a project that requires the following three shields and I was wondering if the Arduino has enough space to interface all of them at the same time. I am thinking of connecting each shield into a ...
1
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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
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1answer
1k 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 ...
0
votes
1answer
9 views

Timeout error with Arduino Mega and ESP8266 as the wifi module

I am trying to use the ESP8266 as the wifi module based on this tutorial. My connections are as follows: ESP8266 <-----------------> Arduino Mega VCC ------------------> 3.3V (converted ...
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
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0answers
23 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
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0answers
34 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
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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 ...
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2answers
41 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:...
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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
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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 ...
0
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0answers
78 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
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1answer
39 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 ...
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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 ...