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
0
votes
1answer
21 views

Create one server in AP mode and another in station mode

I'm trying to connect one ESP8266 to WiFi as a WebServer in station mode and to another ESP8266 as a server (that has no web pages) in AP mode. The problem is both servers are being created in AP ...
0
votes
1answer
42 views

SOLVED: Is it possible to use WiFi and Bluetooth / BLE in the same ESP32 project?

SOLVED @Majenko's answer works like a charm. I did have to make some changes as follows: Per Majenko, you need to change the Tools > Partition scheme. I used "No OTA (Large APP) as he suggested and ...
-1
votes
0answers
15 views

wifi shield not present for arduino mkr wifi 1010

i am trying to connect my arduino mkr wifi 101 to the hotspot on my phone ot be able to upload data to thingspeak but every time i look at the serial monitor i am greeted to the comment wifi shield ...
0
votes
1answer
26 views

Adding WiFi to my Arduino Keypad Lock

I'm a really passionate beginner with arduino and electronics and I've built a Keypad lock for my room's door (inside the house). I've used an arduino that activates a motor using a transistor to ...
0
votes
0answers
21 views

Can too much power consumption cause NodeMCU to trip?

I made a home automation setup that involves a NodeMCU and a 5v relay module. Now, this setup automatically disconnects from the WiFi randomly. It sometimes connects immediately, sometimes it takes ...
0
votes
1answer
29 views

NodeMCU keeps disconnecting

I have made a home automation system consisting of a NodeMCU, 4 channel relay board running on Blynk and IFTTT. At the moment I'm only controlling a string of fairy lights and two LED strips from it, ...
0
votes
1answer
22 views

How to acheive fast and reliable communication between NodeMCUs?

I have two NodeMCU which have to send data to a server (also a NodeMCU). I want to acheive speed of atleast 10Hz because the sensor sends it at that rate. I have tried websockets and couldn't get ...
0
votes
0answers
34 views

Which of the ESP8266 alternatives allows for full packet capture/injection in promiscuous mode?

I am part of a product group that is developing a low cost wireless intrusion detection system, for home usage. We have already produced and delivered to market ESP8266 based product however for the ...
0
votes
0answers
16 views

Mkr1010 disconnects and reconnects normally until it reaches a point where it never reconnects again

The board does reconnect from time to time, but there are times where it just disconnects and never reconnects again and I can't replicate the error because while I run it with Serial open and turn ON ...
0
votes
0answers
30 views

How can remove the WiFi/Bluetooth libraries when compiling the firmware using the Arduino IDE?

I have an ESP32-D0WDQ6, which is part of the ESPIRIT freematics development kit. The processor is a 2-core Tensilica LX6 and the module has 520 kB SRAM + 4 MB external on-module flash. It also has the ...
0
votes
1answer
23 views

Understanding WiFi.printDiag(Serial)

I am having difficulty with setting up websockets using the Arduino IDE with an ESP8266 ESP8266 Websockets problem and I have added WiFi.printDiag(Serial) to the main loop of my code. The Output I get ...
0
votes
0answers
30 views

Arduino with external Wi-Fi antenna?

I need to create a project where I need to send data via Wi-Fi using an Arduino. I need the Arduino to have a U.FL connector to place an external Wi-Fi antenna (I can't use the MKR1000 with ...
0
votes
1answer
22 views

Will Funduino Joystick Shield work on a Mega?

I am trying to get a Funduino Joystick Shield working with an Arduino Mega and I need to use the WiFi capability. The specs I have found for the Funduino (see https://protosupplies.com/product/...
0
votes
0answers
13 views

I need to connect Arduino uno with esp-01 and relay control via Android application

I have trouble connecting to esp8266-01 through arduino uno and controlling relay via Android application or a local web server. I did a lot of research. I do not want to use esp-01 independently. ...
0
votes
0answers
18 views

How to count and list number of all UDP clients to WiFi softAP or event if new available?

I have simple ESP32 app (server, soft access point): WiFiUDP Udp; .... void setup() { WiFi.softAP(ssid, password, WiFi_chennel); Udp.begin(portServer); } .... void loop() { .... for(byte i=0;i<...
0
votes
1answer
36 views

What is the use of reserved pins and SDD2, SDD3 pins of the NodeMCU?

How to use the reserved pins on the NODEMCU? What is their use? Also what is the use of SDD pins? Thanks.
0
votes
1answer
59 views

Get 5V output from NodeMCU [duplicate]

I have a sensor that requires used of 5V as input to Vcc. But I dont see any 5V output pins on the NodeMCU 1.0(12E). Is there a way I could get 5V output pins? Its not a duplicate question. I want a ...
0
votes
1answer
69 views

Person (phone) detector that trigger an event esp32 cam [closed]

So me and my dad are trying to catch would be thieves and also someone leaving behind alcohol bottles. At his storage business the cameras don't reach to these spots. Without being too invasive I ...
1
vote
0answers
31 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
vote
2answers
67 views

ESP8266 Webserver not reachable after 2 minutes from reset

I have a Keyes Espressif ESP8266 NodeMCU, I have two LEDs that I want to control which are connected to the ESP. When I open the webpage http://10.0.0.5/5 after uploading the sketch it works fine. If ...
0
votes
0answers
27 views

Arduino and NodeMCU problem with wifi conecction

Hello guys I am beginner with micro controllers but I am trying to make a simple IoT with Arduino and NodeMCU as WiFi. I was using this tutorial and code https://www.electronicshub.org/wifi-controlled-...
0
votes
0answers
57 views

How to send and receive data over LAN from an esp8266 operating as a station?

I have an esp8266, I have an led connected to one of the GPIO pins, I want to be able to control the state(high or low) as well as request the current state of the led from my computer which is ...
0
votes
1answer
68 views

How to create a wired ESP8266 range extender? [closed]

Context: I have a NETGEAR router on the first story of my home, the range doesn't extend to the ground floor. I do have a cable duct from my router(on the first story) to the ground floor. Question: ...
0
votes
1answer
78 views

Connecting to WiFi on ESP32 using credentials from SD card

I'd like to use an SD card to provide the login credentials to an ESP32. I've already got the ESP32 reading the relative data from the SD card and storing it as a char array on the ESP, but when I use ...
0
votes
1answer
31 views

Nodemcu does not connect to phone wifi

All welcome. I'm trying to connect nodemcu to the phone's wifi. And nodemcu can't do it. But sometimes after several reboots she does it. Also if i use my old phone - nodemcu connects perfectly! ...
0
votes
1answer
67 views

Is it possible to do an OTA update using a GitHub link

I need to be able to download software updates through the internet without having my MKR1000 plugged in. Either that or have new code being pushed from my server (C++) to my MKR1000, and then ...
0
votes
0answers
14 views

Communication between IP camera and ESP8266

I'm working on IoT project. The part of it is about taking photos automatically basing on some sensor data. I have searched on Google but I couldn't find the information I need. Is it possible to ...
0
votes
2answers
29 views

OTA push sketch to NodeMCU

Similar questions regarding Arduinos mention the existence of tools that would enable the pushing of sketch updates to NodeMCU via WiFi / OTA (Over The Air). Does this proceed? If so, please ...
0
votes
0answers
38 views

ESP8266 does not detect WiFi networks

I have an ESP8266-12E, I used it previously and it worked fine (approx 2 years ago) I can't seem to get it to detect WiFi networks or appear as an Access Point I can upload the blink sketch and the ...
0
votes
0answers
42 views

Can´t load a program into my ESP01 using an ArduinoUno

This is my problem, I´ve been trying to load a program(any program) into mi ESP01 and because I do not have the usb adapter, I decided to use my Arduino Uno to do the work. This is my first time ...
0
votes
2answers
69 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 ...
1
vote
1answer
67 views

Mega <> esp8266 comms sending baffling data

I have Wemos Mega-ESP8266 board. I have uploaded a simple WebSocket server on the ESP... #include <ESP8266WiFi.h> #include <WebSocketsServer.h> const char* ssid = "SKYNET"; const ...
2
votes
0answers
51 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" #...
0
votes
0answers
33 views

Can't connect my ESP-12F to WiFi with my Arduino Uno

Recently I bought this wifi adapter for my IOT projects that I connected to my arduino uno that seems to not working. I have tried with the arduino ESP8266WiFi library with RX connected to pin 0 and ...
0
votes
1answer
38 views

How would you add Arduino WiFi Module using I2C or serial interface?

I am new to Arduino prototyping. I bought an Arduino Automatic Smart Plant Watering Kit 2.0 thinking it was a shield to use with my Arduino Uno WIFI Rev 2. However, it turns out to be a specially ...
0
votes
1answer
29 views

WiFi or Bluetooth to communicate between several Arduinos and a Raspberry Pi

So I want to set up a network of outdoor sensors (temperature and humidity) connected to an Arduino (and at some point a second or third Arduino further away with its own sensors). Then I'd like this ...
0
votes
0answers
29 views

ESP8266 accepts commands but returns nothing

I've been struggling for a couple of days now with the module ESP8266. I have tested it already with another Arduino (RX-RX / Tx-TX) and I could send some test commands and receive the corresponding ...
0
votes
0answers
17 views

how spilt the sensor values then use them to control servos in nodemcu v3?

#include <ESP8266WiFi.h> #include <WiFiUdp.h> #include <Servo.h> const char* ssid = "Ece Control"; const char* password = "myphonewifi"; WiFiUDP Udp; unsigned int port = 5514; char ...
0
votes
0answers
14 views

Not able to receive data on node mcu from pubnub

I am trying to send data from one node mcu to another using the same wifi for now. I can publish the data since I can see it from my pubnub analytics but not able to receive the data. When I used 2 ...
1
vote
0answers
73 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 ...
0
votes
1answer
33 views

why sound appears between VCC and GND pins in esp8266 module?

When I use esp8266 as STATION mode and connect a speaker between VCC(3.3v) and GND pin a sound appears like "doop doop". what is this sound? I test this in version 01 and 12 of esp8266 module and this ...
2
votes
1answer
27 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 ...
0
votes
0answers
62 views

Send data to API from Arduino with ESP8285 Strange Error

I have an Arduino with few sensors, and I want to send all of data to my API over ESP8285 what is connected to the wifi. Its almost working fine, except one thing. I have these AT commands: String ...
0
votes
1answer
38 views

ESP8266 print DNS address (obtained via DHCP)

I've set up an Arduino Clone (Wemos D1 Mini) to get IP-information via DHCP. Everything works fine and I can print the information : Serial.print(WiFi.macAddress()); Serial.print(WiFI.localIP()); ...
1
vote
1answer
112 views

WebSocket message with Arduino MKR 1010 using WiFiNINA and ArduinoHttpClient libraries

I am trying to send a WebSocket message to a server. The example for the ArduinoHttpClient library uses WiFi101 but that will not work for the MKR 1010. So I am trying to use WifiNINA instead. The ...
1
vote
3answers
69 views

Modifying normal doorbell to get notification

I'm really not used to Arduino and I would like to know if it would be possible to tweak my doorbell, most specifically the bell itself, to embed a small arduino that would be able to send a ...
0
votes
1answer
31 views

NodeMCU run sensor code while listening for wifi input?

Is it possible to have code running while also listening for local inputs via ip address? I thought it would go in the 'while' portion but I presume that only responses when the ip is loaded. void ...
0
votes
0answers
17 views

Arduino Swarm - WiFi and Embedded Communication

I'm developing an Arduino-based swarm, each bot having 1 ATMEGA2560 as its main processor and 1-2 ATMEGA328 as sub-processors and a variety of sensors and actuators, with WiFi (LAN) connection in a ...
0
votes
0answers
28 views

Is it possible to send data at 100Hz using Wifi bee ESP V1.0 to Mobile (Xamarin)?

Im currently using WifiBee ESP V1.0 and Lilypad Arduino as well as AD8232 for ECG. We are trying to send the data to mobile phone by connecting to PubNub.` if(Serial.available()>0){ str = Serial....
0
votes
1answer
29 views

ESP-12F responds only to a few basic AT commands

I previously read a few guides and tutorials about the ESP8266 and i just started using the ESP-12F module as i think that it is a terrific replacement for Arduino with the added benefit of Wi-Fi. I ...