WiFi allows devices to wirelessly connect to a network, and the Internet. Use this tag for questions relating to connecting your Arduino to a WiFi network.

learn more… | top users | synonyms

0
votes
0answers
18 views

Arduino unable to send data: TCP error

I am trying to send data colelcted from Sensors to our Server. Protocol: TCP Modes: Wifi (ESP8266) or GPRS (SIM 900A) Help needed: I am able to get a IP address in both devices, it always fails with ...
0
votes
1answer
13 views

Looking for a wireless soil moisture sensor

I am new to arduino and have a basic question. I want to build a sprinkler controller system for my lawn which would detect moisture in the lawn soil and automatically starts the sprinkler controller ...
0
votes
0answers
16 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
vote
1answer
33 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 ...
0
votes
1answer
112 views

Find remote ip address TCP

Found this "Remote IP of TCP Socket" at: https://e2e.ti.com/support/wireless_connectivity/simplelink_wifi_cc3000/f/851/t/380635 How would this be used; Adafruit CC3000 library, "Utility\socket.h?" ...
0
votes
1answer
13 views

Arduino uno, 2x parallax continous servos (BOE), wifi shield power draw

I am unable to properly connect those things together with batteries: Arduino Uno Parallax continuous servo Arduino wifi shield 5xAA batteries are connected through power jack to arduino which I ...
0
votes
1answer
23 views

Arduino + Wifi 101 Gerber Files

Is it possible to get the Gerber files for the Arduino Uno r3 and the WiFi 101? I've been teaching myself the SW side of this hobby (with much help from SE Arduino) and I'd like to better understand, ...
0
votes
2answers
32 views

Arduino with wifi shield and 5AA batteries current draw

Arduino uno with official Wifi Shield take 5 Volts. Arduino lights up as it should when powered but the WiFi shield is dead the l9 doesn't light up but works fine when arduino is connected to usb ...
0
votes
1answer
14 views

Wifi rssi converting char[] to uint8_t

I am trying to get RSSI of a network without connecting to it directly but I get an error " error: cast from 'const char*' to 'uint8_t {aka unsigned char}' loses precision [-fpermissive]" char ...
0
votes
1answer
37 views

Manual TCP connection using WiFi ESP8266 module mistyped command

The command is working fine if I type it directly to the serial interface AT+CIPSTART="TCP","192.168.1.5",1647 But if I want to make it automatic and send it whenever I want from inside the code is ...
0
votes
1answer
18 views

Wifi101 ad-hoc network

I've reviewed the WiFi101 library but have found no way to make the 101 an ad-hoc network. Am I missing something? I'd like to be able to emulate the RedFly example: ...
1
vote
1answer
34 views

TFT screen to change sketches

I have an Uno + WiFi 101 thermometer and I'd like to be able to take it places and easily change WiFi network SSIDs and passwords. Can I use a TFT screen to make these changes to a sktech or am I ...
4
votes
2answers
79 views

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 ...
0
votes
1answer
131 views

How to Capture Data from a Webpage in Arduino and Display it over Serial Monitor of ESP8266?

My Code is as follows-> #include <SoftwareSerial.h> SoftwareSerial ESP8266(8,9); String inData; void setup() { ESP8266.println("AT"); delay(1000); ESP8266.println("AT+RST"); } void loop() ...
0
votes
1answer
15 views

DS1307 RTC not working with CC3000 WiFi shield (I2C bus hangs)

I am trying to use a DS1307 (from Sparkfun, BOB-12708) with an Arduino Leonardo. I have connected the SDA, SCL, GND, and 5V pins from the RTC to the Arduino. However, with a CC3000 WiFi shield on the ...
1
vote
4answers
84 views

Will I be able to control stuff from anywhere in the world if I use a wifi shield like ESP8266?

Currently, I am using a Bluetooth shield, HC-05, which is working perfectly but there are two problems: Only one person can connect to Bluetooth at a time. I have to be in a specific place to be ...
-1
votes
1answer
40 views

Connecting to WIFI using esp8266

This is my code. I am tring to make a connection to my wifi through esp8266. #define DST_IP "192.168.1.5" // my IP #include <SoftwareSerial.h> SoftwareSerial mySerial(0, 1); void setup() { ...
0
votes
1answer
52 views

No Response from ESP8266 WIFI

I am getting no response back from an ESP8266 WIFI with arduino mega using library ITEADLIB_Arduino_WeeESP8266. //serial monitor response setup begin FW Version: to station + softap ok Join AP ...
-2
votes
2answers
44 views

Wi-Fi from Arduino to computer serial COM

I am somewhat new to the Arduino world and so far having fun. I am making a gardening watering system for my first project. I am at the final stages of completion and want to add a Wi-Fi module on the ...
0
votes
1answer
41 views

Ethernet shield or Wifi sheild - Arduino?

To control some LEDs through internet using Arduino UNO, which type of connection is better ? Ethernet or Wifi? (Later, I may connect some relays instead of LEDs, and control (turn on and off) some ...
0
votes
2answers
44 views

Are there any advantages to Wifi shields as opposed to a Yun?

I have an Arduino Uno and I have a remote sensing project I need Wifi connectivity for. After research I've found that I have 2 options: Buy a WiFi shield for my existing Uno Buy an Arduino Yun with ...
0
votes
1answer
39 views

Arduino Uno Constantly Resets with WiFi and 4 Relay Module

I am using an Arduino Uno with a 4 relay module (found here: ...
0
votes
2answers
52 views

Cheapest Arduino wireless solution for home automation [duplicate]

I am from programming background and newbie to this field. Couple of days ago I brought Arduino Uno (5V). I want to control light bulb and fan from my Android. So I thought, I will buy relays and ...
3
votes
0answers
84 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 ...
1
vote
2answers
39 views

Problem updating Arduino WiFi Shield's Firmware

I'm using Arduino Uno R3 and the official Arduino WiFi Shield R3. I'm trying to update the Shield's firmware to 1.1.0 through this guide. Everything goes fine until Step 9. When I execute the code in ...
1
vote
1answer
31 views

Link Arduinos over 5 acre laser tag field

I am building a laser tag system with an Arduino in each gun. I want the guns to be linked during game play for many different reasons: Start/Stop game Nearby teammates When a flag is captured etc. ...
1
vote
1answer
83 views

How to use potentiometer on one Arduino to control servo on another Arduino via WiFi?

I want to connect a potentiometer on one Arduino (master side) and send the readings to another Arduino (client side) to run a servo motor. The communication between the two Arduinos should be via ...
1
vote
0answers
81 views

Arduino NTP clock glitches every 7 seconds

Please ignore all of the comments, this is basically a Frankenstein program with several different programs combined together. Basically what happens is the time prints out in seconds like this: 00, ...
0
votes
1answer
29 views

Open WiFi Configuration Automatically

Is it possible to have an Arduino Uno + WiFi 101 recognize when the USB cable has been connected and prompt a user to enter a network name and password? Can this be stored on the Arduino itself or ...
0
votes
1answer
20 views

Interfacing 9-Axes Motion Shield with RPi and WiFi Shield

I recently purchased the Arduino 9-Axes Motion Shield. I have two questions: Q1. The official Arduino page says that the shield doesn't have any external power source and can only be powered up by ...
1
vote
0answers
32 views

Arduino recorder Wi-Fi device [closed]

I wish to build a simple headless device, powered by a 9 V battery that allows a person to speak into it upon touch. The device would then capture to allow "speech to text" functionality and, ...
0
votes
1answer
52 views

Problem running WiFiWebClient example

I'm running the WiFiWebClient example which comes preloaded with Arduino IDE 1.6.7. I'm using Arduino Uno board with WiFi Shield Model R3. /* Web client This sketch connects to a website ...
1
vote
1answer
55 views

Difference between WiFiClient and HttpClient

Apologies if this question appears to be too vague but I would like to know the key differences between these two clients. While WiFiClient comes pre-loaded with Arduino IDE, HttpClient doesn't. ...
0
votes
3answers
191 views

Connecting Arduino with Philips Hue

I'm trying to control Philips Hue lights through an Arduino Uno (with a WiFi shield Model R3). Both the shield and the Philips Hue Bridge are connected to the same network and I'm trying to send JSON ...
1
vote
1answer
47 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 ...
4
votes
1answer
66 views

FCC Certification

I noticed that both the Uno and Wifi101 are FCC certified. Does this mean that these components can actually be used in commercial applications? This never really occured to me before I noticed the ...
0
votes
1answer
45 views

Is there a practical way to broadcast and receive ascii payloads over ethernet or wifi?

How best might arduino nodes pass incoming serial ascii messages out as ascii network broadcasts for all others to receive and pass out through their serial ports? ie: typing a msg from the IDE ...
0
votes
1answer
102 views

Can I connect an Arduino wifi module directly to my android phone?

I would like to use my arduino even where there's no wifi router. I've only found people saying that it needs to connect to a router, but isn't the phone like a router when it's in tethering mode? Do ...
0
votes
1answer
425 views

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 ...
0
votes
1answer
443 views

Use ESP8266 as WiFi client connected to Arduino Pro Mini

So i'm trying to use the PubSubClient Library on my arduino mini pro, but I'm connecting to the internet via wifi using an ESP8266. Using a mini means I have to use software serial to connect to the ...
0
votes
2answers
49 views

Adafruit libary and CC3000 shield

I have a Arduino Uno and a CC3000 shield. When I run the example code for Webclient from Adafruits libary it works perfect. When I switch out address for reading a corresponding text file from my own ...
0
votes
0answers
45 views

CC3000 Error: Could not make a TCP connection

I'm using a SparkFun CC3000 wifi shield with an Arduino Uno. I was able to successfully run the Board Test, Scan Test and the Connection Test, which means my shield is connecting to the wifi without ...
1
vote
1answer
51 views

Why does Ethernet.begin() require a MAC address when WiFi.begin() doesn't?

I am working on an Arduino application which is dependant on a certain library. This library uses the Ethernet class for network communications, but ideally, I would like it to be wireless (I have ...
0
votes
2answers
97 views

Clearing SRAM in loop()

Very broad question here. I don't know exactly what the problem is but I'll edit this post as we narrow down the possibilities. I think I'm running into memory constraints. I'm running a sketch ...
1
vote
1answer
51 views

Does WiFiClient work on a Yún to send data over a certain IP and port to be received by a Python socket?

I haven't been able to get the example code from the page WiFi:Client:connect() to work on my Arduino Yún. Is this not how I'm supposed to send data over WiFi to be read by something like a socket? ...
0
votes
0answers
55 views

Updating Arduino Wi-Fi Shield Firmware; dfu-programmer: no device present

I want to update the firmware on my Arduino Wi-Fi Shield. (Yes, I know it's retired, however I would still like to use it, so please don't dismiss the question. :) ) The board works with the ...
2
votes
1answer
57 views

Looking for help with WiFi modules

I'm completely new to using modules for the Arduino, so I'm sure some people have more knowledge about this topic than me. Here's the thing, I want to stream audio over my home wifi, so I'm in need of ...
0
votes
0answers
24 views

Arduino Yun enable WiFi Roaming

I would like to build a network with two arduino Yun as AP and enable the Roaming between them. I know that the protocol 802.11r is not supported as the OS is not at its last updated version. Does ...
0
votes
0answers
135 views

EMW3162 on Arduino Uno

Recently, I bought shield for Arduino Uno with EMW3162. http://www.waveshare.com/emw3162-wifi-shield.htm I was able to connect via a UART update the firmweare, connect to the home wifi as a client ...
-1
votes
1answer
143 views

Interfacing Arduino UNO with TFT LCD and WiFi Shield

I'm trying to interface my Arduino UNO with both a 1) TFT LCD screen and 2) WiFi Breakout board/shield. The WiFi breakout board uses many of the same Digital pins as the LCD screen so is it possible ...