Questions tagged [wifi]

For questions concerning Wi-Fi connected IoT devices and protocols for Wi-Fi communication. Use the [wireless] tag for any other wireless protocol - this tag is specifically for Wi-Fi (IEEE 802.11.x).

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WiFi communication between PC and embedded system on LAN

I'm here asking some support for a newbie in embedded communication. My situation is the following: embedded device: STM32L4xx microcontroller + ATWINC1500 wifi module WiFi management code (driver) ...
panc_fab's user avatar
  • 311
5 votes
1 answer
99 views

Scanning for Device

What kind of technology does the Google Home and Amazon Echo/Dot use when you set up the device for the first time and their respective apps "scan for device" before they're connected to Wifi? I'm ...
afryingpan's user avatar
5 votes
1 answer
3k views

How to build a 220v ~40 amp WIFI switch (for pool pump or similar)

I'm looking for ideas and suggestions to build a 220v ~ 40 amp wifi switch for controlling my pool pump so that it can replace my mechanical timer. Very few devices are available on the market. There ...
Alex B's user avatar
  • 153
5 votes
0 answers
350 views

AWS IoT Enterprise Button setup fails during Wi-Fi configuration and can't connect

IoT button is able to connect to home Wi-Fi but not corporate Wi-Fi networks. Fails to connect to WPA2-Personal as well. What kind of Wi-Fi networks does the AWS IoT enterprise button support and can ...
vrkmajeti's user avatar
  • 151
5 votes
0 answers
283 views

NodeMCU - create public webserver

How would I go about creating a public web server so that I can control my NodeMCU v3 from anywhere in the world? I was thinking about flashing espruino on my board since I have more experience with ...
Stuart Fong's user avatar
4 votes
2 answers
231 views

OS for Orange Pi zero plus

I bought an orange pi zero plus and want to make a wifi access point that passes all traffic of the connected devices through tor. Simply I wanted a dev board that has gigabit ethernet and wifi for ...
K_lash96's user avatar
4 votes
1 answer
109 views

Nest cam fallback wifi

If wifi that my Nest camera is connected to goes down, can it reconnect to an alternative wifi? In other words if the "thieves" cut the broadband cable, but I still have a 4G router as a backup, would ...
Caballero's user avatar
  • 143
4 votes
1 answer
81 views

"No connection" reported on Iris By Lowe's Android app for WIFI-enabled Whirlpool Water Softener (WHESCS)

Not sure what caused it, but my water softener stopped connecting to the Iris app recently. Has anyone found an easy solution?
ShieldOfSalvation's user avatar
4 votes
1 answer
66 views

Avoid limited connections of WiFi Router

Scenario I developed a simple board that connects via WiFi and upload some data to a remote server. The network management is up to the customer but now he asks me some hints about how to avoid the ...
Mark's user avatar
  • 685
4 votes
1 answer
149 views

Efficient Server- and Protocol structure for raspberry, smartphone and 3rd-party-device network

I am new to this forum and this field. I am looking forward to good criticism and tutorials/links/instructing suggestions to build a nice system with as less effort as possible while achieving all ...
ReneL's user avatar
  • 49
4 votes
1 answer
553 views

How to configure Wifi on a headless smart device?

I am looking to build a smart device with no external controls (no buttons, display, etc.) and am trying to figure out how to most easily allow a user to supply Wifi configuration to it. A specific ...
cowdrool's user avatar
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4 votes
3 answers
3k views

Is Matter, the unified protocol for IoT, usable for hobbyists?

I am a domotics enthusiast and I use some ESP8266 chips for various uses, mostly with HomeAssistant on my RPi. I recently bought some Zigbee devices and the benefits seem very interesting for IoT ...
Dan Chaltiel's user avatar
4 votes
1 answer
66 views

Control Raspberry Pi depending on Wifi-Users

I am creating a "digital dashboard", consisting of a TV and a Raspberry Pi 3B+. The TV just shows calendar, time, weather, etc.. In the tutorial I am following for that, the creator uses a ...
nameless's user avatar
  • 151
4 votes
1 answer
161 views

How to structure connection slots for WiFi clients

Say we have hundreds of WiFi clients that pretend to connect to a single router. The firmware on the clients is modifiable. I'm aware the routers can handle only few dozen of clients at time. Because ...
Mark's user avatar
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4 votes
0 answers
62 views

Accessing my Wi-Fi IoT socket from remote via Phone

I'd like to access my Wi-Fi Socket (Smart Plug SWA1) at home from anywhere via my (Android) Phone. It works perfectly at home via Wi-Fi. But when I tried it from outside, it didn't. Even if it says ...
delaflota's user avatar
3 votes
2 answers
3k views

Control electric plug remotely

I have an electric water pump, which I want to control over the internet. Currently I know that smart plugs can be used but this requires me to be in the same WiFi network. Are there any smart plugs ...
AutoMEta's user avatar
  • 131
3 votes
1 answer
89 views

Is static IP needed if using VPN to connect to IoT devices?

I have an IoT solution that I need to connect to from remote. I don't have access to open ports nor set static IPs on-site where the IoT devices will be hosted so I was looking for other solutions. ...
user2868900's user avatar
3 votes
1 answer
633 views

Solar panel + battery power for IoT device with 802.11n [closed]

I've only got basic skills but i am trying to hack together an ESP32 + temperature sensor to send periodic readings out via Wi-Fi. I've managed to get the board to connect to Wi-Fi, read the sensor, ...
davidgo's user avatar
  • 173
3 votes
1 answer
100 views

Can a device like chromecast degrade over time?

I'm having trouble connecting to my chromecast in any apps. Sometimes it works fine and sometimes it just won't work. I can see that it is connected to my WiFi network and I've read the very helpful ...
Jesper's user avatar
  • 133
3 votes
1 answer
187 views

Is there an out-of-the-box solution for PWM controlling?

I need to ventilate a room because of my Resin printers. I have a discarded kitchen extractor hood with an EBM fan in it. It takes 10v PWM to control the speed. And the lights have a driver. To ...
jojonl's user avatar
  • 31
3 votes
1 answer
1k views

"Smart" switch keeps disconnecting from wi-fi network

I bought a smart switch to control my room lamp. It is a JWCOM Smart SA-01 model with very little to no documentation available on the internet (at least I wasn't able to find anything useful). The ...
Ícaro Lorran's user avatar
3 votes
2 answers
6k views

How to pair the Xiaomi Smartmi Electric Heater 1S with the Mi Home app through WiFi

It seems that my Mi Home app is not recognizing the Xiaomi Smartmi Electric Heater 1S. This is actually happening with two different Xiaomi heaters (same model). What I've tried so far, after ...
Ana's user avatar
  • 31
3 votes
2 answers
850 views

How do smart plugs connect to Wi-Fi via mobile applications?

All smart plugs generally have same method of connecting to Wi-Fi and with the mobile application. It's like Check the Wi-Fi light on device Search for device's Wi-Fi broadcast and connect Add ...
Sarath's user avatar
  • 131
3 votes
2 answers
169 views

Avoid keyboard interaction by passing WiFi credentials through phone via bluetooth

We're designing an IoT device that needs to connect to wifi, but the screen is too small for a keyboard. Can wifi credentials be passed via bluetooth to the IoT device from an iPhone or Android? Would ...
LucianNovo's user avatar
3 votes
1 answer
102 views

Board to act as a hotspot and connect to Internet

Please excuse the very vague title, I had no idea how to condense my question into a title. Unit A - ESP32 Unit B - what I am looking for HOME_WIFI - The wifi network broadcasted within my home. ...
97WaterPolo's user avatar
3 votes
0 answers
72 views

Esp32-c3 not able to connect to home router

I have bought 2 ESP32-C3 from Waveshare and tried many tutorials on how to connect them to the home router. None of the code I used worked including the micropython example, Arduino example and not ...
Nissaba's user avatar
  • 131
3 votes
0 answers
161 views

Using Alexa as speaker over LAN

I would like to use my Alexa as a speaker for my (windows)PC. My PC doesn't have Bluetooth and Alexa is not directly connected to my PC. Since the Alexa is connected to the same router (via WiFi) as ...
green bobcat 's user avatar
3 votes
0 answers
549 views

ESP IDF Data backup to NVS when power goes off

I am using esp-IDF library and esp32 for smart lighting. I want to maintain the state of the lights when power goes off as it can be written somewhere in NVS. Such implementation is available for ...
Learner's user avatar
  • 131
3 votes
0 answers
42 views

How to optimise WiFi and ZigBee Coexistence

Assuming I'm not ready to give up 2.4 GHz wifi just yet, and I'm mostly immune to interference from nearby installations (i.e. I have control of any relevant configurations), what should I be doing to ...
Sean Houlihane's user avatar
3 votes
0 answers
547 views

Can I enable interrupts on GPIO16 of ESP8266?

Usually, the gpio16 is not used as gpio. But we can read the state or change the state by writing directly to the registers. WRITE_PERI_REG(PAD_XPD_DCDC_CONF, (READ_PERI_REG(PAD_XPD_DCDC_CONF) &...
Andrew Romanenko's user avatar
2 votes
2 answers
194 views

Build a “Smart Home”—Lack of Security [closed]

I am preparing to make my home smarter and for some reasons I am not happy. I read several articles about secure the smart home, but there was no clear solution. I don't know why, but it seems that ...
Spedo De La Rossa's user avatar
2 votes
1 answer
1k views

Using LoRa as a www link

I am new to IoT and LoRa, and still trying to grasp the scope and capabilities after discovering a whole technology I never knew existed. I have read some about LoRaWan and IoT, but am confused about ...
KevinHJ's user avatar
  • 123
2 votes
2 answers
228 views

How to connect several sensor boxes (ESP32) via WIFI/webserver/...?

I'm intending to create some (like 5-10) boxes with sensors and/or relays inside using ESP32's. For connection to a laptop and mobile phone I found a tutorial at ESP32 WebSocket Server: Control ...
Michel Keijzers's user avatar
2 votes
2 answers
44 views

Hardware Recommendation to Wirelessly measure Cat Wheel Revolutions

I'd like to attach a battery powered IOT Device to my Cat Wheel to measure the number of times it rotates across the afternoon. Not too concerned about what programming language is involved in ...
Patrick C Brown's user avatar
2 votes
1 answer
80 views

Zigbee or Bluetooth for turning router on and off? [closed]

I want to be able to turn my wifi router on and off with a smart plug. What would be the best way to achieve that? Have one special plug which is zigbee (or is Bluetooth better for this?) which only ...
user1721135's user avatar
2 votes
1 answer
100 views

Camera with doorbell separately that is connected to the server?

So I wanted to set up a camera that surveys every few second and a doorbell with a sensor where I can see the person when someone rings it. I wanted the camera and the doorbell are placed separately, ...
Daniel Mana's user avatar
2 votes
1 answer
144 views

Does anyone else make a product like the Leviton Smart Wi-Fi 4 Button Controller DW4BC-1BW?

I have an x10 system in part of my home that controls outlets that are on separate circuits from the wall x10 wall switches. I would like to put wifi outlet plugs in the existing outlets (removing the ...
chris's user avatar
  • 21
2 votes
1 answer
1k views

How to pair IoT device

I've seen on the internet how the IoT device gets connected to the Android/iOS apps. In one video, one guy kept pressing one button for several seconds and the device enters in pairing mode and mobile ...
Rahulsinh's user avatar
2 votes
1 answer
56 views

How would I make a wifi alarm clock? [closed]

I was just wondering how I would create a completely custom wifi alarm clock, what are the things I would need in terms of IoT? I would want to control it via a custom built ios app. I am trying to ...
Amman Ahmed's user avatar
2 votes
0 answers
29 views

LoRa - How to forward packets?

I'm working on a system where LoRa Module 1 forwards packets. In this setup, when a user is connected to Module 2 (linked to an ESP32 board and acting as an access point), and they enter a URL like &...
hirdesh mewada's user avatar
2 votes
0 answers
2k views

How to have a Nedis smart device to connect to WiFi network without app and registering?

I have a Nedis WIFIHTPL20FWT Smart conversion heater. It seems that I need to register to Nedis cloud service and only then using Nedis SmartLife App this device could be connected to my local WLAN. I ...
pirho's user avatar
  • 121
2 votes
0 answers
181 views

ESP32 transmit data over BLE VS Wifi

I am working on a project where I have got an ESP32 device (Wifi & Bluetooth), which reads data from some sensors, such as temperature and soil moisture (outdoor environment). The data is then ...
Edge7's user avatar
  • 121
2 votes
0 answers
59 views

UL-certified WiFi Wall Switch

I'm looking for a UL-certified WiFi wall switch for programming network effects in Python. UL-certified Wall-mounted Mains-powered 2+ physical switches Python-programmable. I want to program some ...
user19087's user avatar
  • 121
2 votes
0 answers
39 views

Industrial programmable radio transceiver

(I hope this kind of questions are tolerated here. Otherwise, please say it in the comment and I will delete the question) I have to create a wireless network of over 200 devices, placed in the same ...
Mark's user avatar
  • 685
2 votes
0 answers
209 views

Adding a webserver to eth2wifi example for ESP32

I am interested in using ESP32-EVB from Olimex to run the eth2wifi from esp-iot-solution, using the wifi softap data forwarding demo. If I correctly understand the code, it just moves packets from ...
Ottavio Campana's user avatar
2 votes
0 answers
88 views

Idea about Wifi Mesh In High-Rise Building? [closed]

I’ve been reading about wifi mesh and I’m thinking, would it work if we had one wifi mesh plugged into the modem and then had many nodes going around the high-rise buildings, perhaps 3 stories up and ...
Eugene's user avatar
  • 121
2 votes
0 answers
2k views

Simple NAT implementation on ESP32

I have an ESP32 wroom32 that has WiFi internally and an ethernet port. I want to be able to connect my phone to the WiFi and access a webserver running on the ethernet port. Schematically this looks ...
Steven's user avatar
  • 29
2 votes
0 answers
134 views

Using aircrack-ng within VoCore [closed]

I wonder if I can use VoCore to capture and create/inject custom made packages. I'm a big fan of IoT. But I don't do this for a living. I'm just learning stuff, on my own, in my spare time. My ...
mrbigheart's user avatar
1 vote
2 answers
97 views

Is MQTT a good choice for my application?

For a university project I need to have a couple of "things" that collect data and which we will then be able to view and manipulate. At the moment each of the devices will consist of a few ...
Joel's user avatar
  • 21
1 vote
2 answers
430 views

How to encrypt sensor data in low-power wireless communication like LoRa, BLE, ...?

Wireless sensors communication have limitation in message size due to low power consumption. Assume that we have a heart rate sensor sending data via BLE, or a GPS data sending via LoRa to a receiver:...
Amir Pournasserian's user avatar