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.

Filter by
Sorted by
Tagged with
3
votes
1answer
3k views

Connecting an ESP8266 to WiFi without hardcoding the credentials

I've recently achieved connecting my board, an ESP8266 to my local WiFi, but I've had to hardcode the credentials to the code, just like in 99% of the tutorials online. My code looks somewhat like ...
3
votes
1answer
79 views

Is there GUI to flash a sketch with new variables?

I'm dabbling in a project and would like to add a feature, but I need some help from the community. My project returns a response from the wunderground api and lights an led based on the temperature ...
3
votes
1answer
9k views

How to run TCP socket server on Arduino Uno WiFi?

2017-03-23 update I still don't know why it works so well on Yún. Maybe it has a better antenna? Anyway, I've returned Uno WiFi and got a SparkFun ESP32 Thing. Unfortunately, it has the same problem ...
3
votes
2answers
860 views

Shield:FAIL problem in ESP8266-01 with Arduino UNO

I have been working on a Security System project wherein I should get an email if the PIR sensor detects any human presence. I have used an Arduino UNO, ESP8266-01 WiFi module and a PIR sensor. Power ...
3
votes
2answers
316 views

CC3000 Wifi: Enable Debug

How do I enable debugging using Adafruit CC3000? I am using the Adafruit_CC3000_Library. I've followed the WebClient.ino example sketch. I'm able to make 300 to 400 HTTP requests, but eventually ...
3
votes
1answer
2k views

What is the fastest and easiest way to transmit arduino's sensor data to a PC wirelessly

I have a specific problem : I'm working on a testing platform. It has to be absolutely isolated, so I cannot wire it back to my PC. I again reiterate it. There is no way to wire it to my PC. IT HAS ...
3
votes
1answer
1k views

Wiring Lilypad USB + ESP8266 Serial WiFi Module

I am trying to solve the following scenario: Lilypad USB connected to WIFI through ESP8266 Serial WiFi Module. http://arduino.cc/en/pmwiki.php?n=Main/ArduinoBoardLilyPadUSB http://www.seeedstudio....
3
votes
1answer
872 views

Yun as a Conventional Wireless Access Point

I want my YUN to act as a server in a client/server architecture so students can control their wifi robots via their desktops. I can plug the YUN directly into an ethernet port on our network and want ...
3
votes
1answer
1k views

ArduinoUno+LcdKeypad+ArduinoWifi=Pins Problems

Is it possible to connect these two shields to my Arduino Uno? After a research on the internet, I discovered that they use some of the same pins. Even so, is it still possible for me to connect the ...
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
881 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
3answers
22k views

Can the WiFi on ESP8266 be disabled?

I've been reading a lot on the ESP8266, but still my understanding is shaky. I have the Arduino IDE running on a PC, which uses wires to connect to the ESP8266 via a USB device (Device Manager > Ports ...
2
votes
2answers
7k views

List of connected clients to server

I have a server on my arduino (WiFi) and want to save the clients that connect, so that I can send to them (to each separately) data later. Is the best data structure a linked list? How can I see if ...
2
votes
3answers
4k views

Programatic FOTA (Firmware-Over-The-Air) upgrades with Uno R3

I have been searching for a way to upgrade the sketch on my Arduino Uno wirelessly (preferable WiFi, but not a must). Does the Uno support such function? If not - are there any other boards that might ...
2
votes
1answer
37 views

How would I give an Arduino-based product WiFi credentials?

Let's imagine I create this cool little Arduino-based (replace Arduino with any embedded system that's not a Raspberry Pi) object that does some interesting things but it needs an internet connection ...
2
votes
3answers
20k views

How to make an arduino wifi repeater?

I am trying to make a wifi repeater. My router's signals don't come to my study and instead of buying a proper wifi repeater I prefer making one. I want to learn how to make a simple wifi repeater ...
2
votes
2answers
2k views

Software serial conflict with WiFi on ESP8266

I'm trying to use an ESP8266 (Wemos D1 mini) to read from a 19.2K serial port and report the results over WiFi. Programming is via Arduino IDE. The code to read the port works just fine if WiFi is not ...
2
votes
3answers
1k views

Should I buy a retired Arduino?

I am a beginner who would like to buy an Arduino Yún (58 dollars). It is retired so will I have any problem? Else I can buy an Arduino Uno and an Arduino Yún Shield. But in this case I don't ...
2
votes
2answers
7k views

Esp8266 Arduino smart connect

Below i have an example of a temperature sensor.What i need to be able to set the username an password dynamically before connecting to my home router.It would ask me for the ssid and password for ...
2
votes
2answers
6k views

How to communicate between a webcam and an Arduino UNO and get the live feed on mobile using ESP8266? [closed]

I am working on a project of making a Smart Robot Car using Arduino UNO, L298N Motor Driver Module, ESP8266 Esp-01 WiFi module and RemoteXY app for controlling via smartphone over WiFi. My question ...
2
votes
1answer
4k views

ESP8266 UDP multicast doesn't receive packets

I am currently working on an ESP8266 with the Arduino IDE. I try to implement an ESP8266 in STA mode as multicast receiver. I was writing my code with the help of this documentation. Especially the ...
2
votes
1answer
114 views

Inherent delay running EEPROM.read()

I'm using EEPROM to store long term data for use in sketches (thanks to DarthRubik for the guidance). I store stuff like a location ("Garden") and a device name ("Greenhouse Monitor 02") plus ...
2
votes
1answer
256 views

What Arduino board with WiFi should I choose

I want to implement an Arduino module with some sensors and send the info through WiFi to a server. I'm looking for the best board or component combination to make this. What is the best board or ...
2
votes
1answer
6k views

ESP8266 wifi module sending data via jQuery

Hey all I have the ESP8266 module and I have already set it up and it's working good. However, when I run this HTML page code here: <html> <head> <title>ESP8266 LED ...
2
votes
2answers
850 views

Which wireless technology should I use for medium range, many to one, bidirectional communication?

Some clients, let's say 5 <= x <= 10, have to send information wirelessly to a server. Transmission does not need to be reliable (ACK). The range would be between 50 and 100m, and may include ...
2
votes
1answer
91 views

How to attempt connection to WiFi only once?

I am working on a garden timer project, I connect to WiFi once and if its successful show time from NTPClient or else show time from RTC. I have been done the above, and it works in the sense that if ...
2
votes
2answers
340 views

ESP8266 and Interrupts - not possible?

I'm planning to use an ESP8266 (Wemos D1 Mini) to use as a software SPI monitor to send over WiFi. As a test, I've done a cut-down sketch that just counts the interrupts, a simple frequency counter. I'...
2
votes
1answer
563 views

Are there any Wi-Fi modules for the Arduino Uno that may connect to an external Wi-Fi Antenna?

I have an Arduino Uno I need to connect to Wi-Fi to make HTTP POST Requests to a Raspberry Pi Web Server. The Arduino is located only about 30 feet from the AP, but there is a brick wall in the line ...
2
votes
2answers
13k views

How to connect an ESP8266 using an ESP-01 adapter to an Arduino Uno?

I am pretty new to Arduino programming and wanted to learn how to connect an ESP8266 generic WiFi module to an Arduino Uno using the ESP-01 Adapter shown in the image below. I tried doing it on my own ...
2
votes
3answers
3k views

Using ESP8266-01 with Arduino uno R3

I am trying to learn how to use ESP-01(AI-Cloud, Black Version) with arduino Initially, I created an adapter for it that has 4 inputs: RX, TX, Vcc(3.3v), GND I checked it and the wiring seems fine ...
2
votes
1answer
552 views

WiFi101 Client HTTP POST fails after 3rd request

I would really appreciate any help, my home project has been put on hold for weeks as I haven't been able to figure this out. In a nutshell, I'm connecting to my wifi network, measuring temperature ...
2
votes
1answer
23k views

Get hour with ctime (time library with ESP8266)

#include <ESP8266WiFi.h> #include <time.h> const char* ssid = ""; const char* password = ""; int timezone = 3; int dst = 0; void setup() { Serial.begin(115200); Serial.setDebugOutput(...
2
votes
2answers
140 views

Connect Two Arduino Uno's

Essentially I am looking to build a remote controlled car using dc motors and one arduino uno to be on the car to supply the power logic and i wanted to use another arduino to be the remote. I was ...
2
votes
2answers
5k views

How to Factory reset ESP8266? [closed]

I want to use ESP8266 to send emails. I tried twice flashing the Firmware to a particular firmware as suggested in a tutorial. Now both my ESP are unresponsive to AT commands. Let me know the way to ...
2
votes
2answers
995 views

Modify SSID and Passwords in WiFi sktechs

This is a question about modifying sketches other than through the IDE. I'm using an Arduino Uno r3 + Arduino WiFi Shield (not the 101). Up to now I've been using the IDE to manually change the ...
2
votes
1answer
3k views

Arduino Wifi Shield with monitor mode ( promiscuous mode )

Is there a WiFi Shield or driver that supports monitor mode and receiving raw packets ?
2
votes
1answer
62 views

ESP32 powered for atleast a year

How to power esp32 board this one with soil humidity sensor that sends data to server via wifi every 30 minutes for something around a year on battery? What battery type and capacity should I use for ...
2
votes
1answer
160 views

What is the best way to init wifi communication between two devices (get IP address)?

what is the best way to init wifi communication between two devices without knowing IP of second device, let's say Raspberry Pi and ESP8266? I want to build simple home automation system for my ...
2
votes
2answers
308 views

Arduino Serial Monitor displaying weird characters and changes spelling

I am recieving the following in my serial monitor. There is a mix of wierd characters then the spelling changes for words once it gets repeated. I don't know why its doing this. my esp01 chip uses ...
2
votes
2answers
104 views

ESP32 softAP SSID not const

I would like to be able to set the wifi SSID in the setup(), so I can customize it based on the MAC address or something similar. (avoiding to ESP's with the same code having the same SSID). However ...
2
votes
1answer
87 views

Why is their need of response time needed in esp8266 AT commands?

I am writing an AT commands firmware for esp8266 via connecting it to atmega2560. Now the question is how will I come to know the response time for AT commands for writing its firmware to read the ...
2
votes
1answer
48 views

Which board to use for wireless communication of small packages? [closed]

I was hoping to get your advice on what Arduino boards to look at for a project I'm working on. The project involves two separate boxes in different rooms of my apartment (~ 5-10 feet away from each ...
2
votes
2answers
281 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:...
2
votes
3answers
2k views

Wifi stopped connecting (Wemos D1 Mini)

I am stumped. I have a few Wemos D1 Mini boards that were working on the local WiFi yesterday, yet today none of them will connect. More puzzling is that I can flash Tasmota on them and they all ...
2
votes
1answer
377 views

Wifi with ESP8266 and Arduino sketches

I have a NodeMcu Lua ESP8266 ESP-12E which i want to use to control to a relais via Wifi network. The first step was to write an Arduino Sketch which scans networks and connects to the network. ...

1
2
3 4 5
13