Arduino Stack Exchange
Arduino Stack Exchange

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.

Use this tag for questions relating to connecting your Arduino to a WiFi network.

672 questions
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How can I connect to an Arduino using WiFi?

I'm working on building a solar powered, Arduino based weather station. The weather station consists of a temperature sensor and a photoresistor, and I plan to add an anemometer in the future. I would like to connect the weather station to my…
jlbnjmn
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Whats the difference between RF options (wifi, xbee, NRF24L01)

When doing RF, you have many options. Three of the most basic are in the title box WiFi Xbee NRF24L01 What are the practical differences in using them. What is the purpose of each other and the pros and cons. What would you use depending on the…
user1584421
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Parse JSON with arduino to turn on LED

Hi i'm trying to parse JSON resposne from webserver in my arduino in order to turn on and off a LED light. I'm using the wifi client repeating example to make a get request to my server: http://arduino.cc/en/Tutorial/WiFiWebClientRepeating Here is…
user1424508
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WiFi Password Safety

Are there any best practices regarding password safety? The following is taken from a wifi tutorial sketch. #include #include char ssid[] = "yourNetwork"; // your network SSID (name) char pass[] = "secretPassword"; //…
Skiddles
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1 answer

Internet connectivity for the Arduino Due using AtmelStudio?

What hardware and software solutions work and what are the tradeoffs for connecting an Arduino Due to the internet? I gather the ethernet hardware is much cheaper than WiFi hardware (€29 versus €69). In either case (wired or wireless), what…
Bob Stein
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1 answer

Does the ESP8266 somehow remember wifi access data?

Today I did some tinkering with an ESP8266, trying out OTA and writing a webserver. To find an error, I reduced the sketch to just the following lines: #include ESP8266WebServer server(80); void setup() { …
Geier
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11
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4 answers

What is the cheapest way to add wifi to Arduino?

I am trying to find some sort of wifi adapter for Arduino, it needs to be as small as possible (not a shield) and as cheap as possible. So far I can only seem to find shields that cost about £10+ but I figured that if you can get a replacement wifi…
connersz
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9
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How to turn off or stop Access Point network in ESP8266?

I've created a code for ESP8266 12E with Arduino IDE, in which it'll operate as "Station Mode" or "Access Point Mode" on Wifi, depending on the situation. Everything works fine except when device was configured as Access Point, even when I turn off…
wBB
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9
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ESP8266 Analog read interferes with wifi?

Short version: I have a program that connects my ESP8266 to WIFI so I can control a relay connected to it over the internet or a button. I also have a sensor for my door. This software works perfectly, if I add a light dependent resistor to it…
JanG
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8
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6 answers

Over-the-air upgrades?

I'd like to be able to upgrade software on an arduino without physically touching the device or stringing a cable. Can it be done? Will pick wireless protocol that makes that easiest.
Johannes Ernst
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8
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3 answers

Can I use arduino's 3.3 V output directly to esp8266?

I just bought esp8266 and ftdi usb driver, I want to power the esp8266 with Arduino's 3.3 V output, is that possible? I saw some tutorial on youtube in that they are suggesting us to use 3.3v regulator ic instead of directly power 3.3 V of Arduino…
Satheesh Kumar
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7
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3 answers

Using Arduino for Industrial process

I was wondering if the Arduino is applicable for Industrial monitoring, I want to make a real time status of the presses in our company. I haven't seen or read much about people using Arduino at an Industrial level, most of what I have seen or read…
MoralesJosue
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3 answers

How to allow cross-domain requests on ESP8266WebServer

I am using a Raspberry Pi running Chrome (handling the user interface) and connecting via ajax to an Arduino D1 compatible using the IP address as follows: $.ajax({ type: "GET", url: "http://10.1.1.100/myfunc?id=5", …
Chiwda
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7
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1 answer

Serving binary file with ESP8266WebServer

I am currently using a Nodemcu ESP8266-12E with the Arduino IDE in order to control my boiler. Everything is working fine, however I haven't figured out yet how to serve binary files, eg. images. (I am hosting them on a server at the…
Force
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6
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ESP8266 WiFi Not Connecting to Internet Without Static IP

I am seeing some very strange behavior with my ESP8266. When I connect it to the WiFi for the first couple of times I am not seeing any issues and the ESP8266 connects just fine. But after an arbitrary amount of times (like when I restart the unit)…
Armand Maree
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