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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).

1
vote
1answer
24 views

How would I make a wifi alarm clock? [on hold]

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 ...
2
votes
2answers
24 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 ...
2
votes
1answer
59 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, ...
2
votes
2answers
72 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 ...
5
votes
1answer
46 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 ...
3
votes
1answer
40 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. ...
2
votes
0answers
14 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 ...
3
votes
1answer
23 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?
4
votes
1answer
71 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 ...
4
votes
1answer
60 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 ...
6
votes
1answer
126 views

How to register an IoT device to a user account

I'm designing on an IoT device that connects to a web server and publishes/subscribes to the MQTT service. Users download an iOS app to setup/register/use their device. Question: What's the ...
3
votes
1answer
41 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 ...
6
votes
1answer
207 views

Commercial Arduino Reprogrammable Smart Plug

Has anyone reprogrammed a commercially available smart plug, such as the Etekcity Voltson? Are there plugs available with open source Wi-Fi chips in them that perform better than an ESP8266? I’m ...
6
votes
1answer
80 views

Could not ping ESP8266 Wifi module connected to an Arduino

I have been working with a water flow counter which sends data over wifi. I'm using an ESP8266 wifi module. Everything is correctly connected and I've gotten to the point where it's correctly ...
8
votes
1answer
121 views

Can One-way SSL secure an IoT device?

I am considering an IoT device connected to my local network (default settings, no VPN, no NAT, no DMZ) with or without Internet access. My device will run as a HTTP server offering a RPC mechanism ...
10
votes
1answer
89 views

Need Suggestion HD Camera to be integrated with Wifi module

I am working on one of my IoT project which needs to wide angle HD camera modules to integrated with Wifi Modules (open to Raspberry Pi, NodeMCU or anything else). I have checked various options but ...
9
votes
0answers
324 views

Android things create Wi-Fi access point to configure device

I need to send Wi-Fi credentials to my Android Things headless device via a mobile app. As it is right now, the device advertises on Bluetooth, the mobile app connects to device and sends Wi-Fi ...
5
votes
0answers
172 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 ...
6
votes
1answer
113 views

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) ...
6
votes
1answer
32 views

IoT device's soft access point module dropping out at trade show

I have been developing a Wi-Fi remote access IoT device for an electrical control to display at an engineering trade show coming up. Unfortunately I was unable to attend this trade show due to health ...
6
votes
1answer
87 views

Synchronized data between Hardware's storage and Server's database

I saw in China's bus system, that there are devices inside the bus which can handle e-payments. The process is something like this: Passengers come in the bus. Passengers use a QR-code in their ...
8
votes
1answer
242 views

Wi-Fi Line Voltage Thermostat for Baseboard Heaters

Background A house has a handful of line voltage electric baseboard heaters (240V, 3600W). Problem Control the schedule and current temperature without connecting beyond a local area network. Hard ...
2
votes
0answers
83 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 ...
4
votes
1answer
40 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 ...
5
votes
0answers
77 views

What is the working voltage range of a Sonoff Touch?

I would like to replace normal (mechanical) switches at home with Sonoff Touch ones, which I will be able to manage. Today I have this: and by adding the Sonoff Touch I will have that (P1 is the ...
7
votes
0answers
540 views

Connect NodeMCU 0.9 to WPA2 Enterprise

Is there a way to connect to a NodeMCU 0.9 to WPA2 Enterprise like Eduroam? Now I'm using the Arduino IDE 1.8.5 with the library: ESP8266WiFi.h In this way I simply connect to a personal WPA2 with ...
4
votes
0answers
165 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 ...
9
votes
2answers
1k views

Is MQTT scalable with 1000+ clients?

Scenario IoT device (currently IPv4 device) that sends via TCP socket a payload to a server once per day. The server has a public IP address, the device is behind a router/NAT. I'm going to use a ...
11
votes
1answer
407 views

How can a device get the SSID and Password of my Network without WPS?

I'm studying ways to make an IoT device access an user´s wifi network. I know about the WPS way, where the device 'broadcast' a signal and the router, after being commanded to listen, 'receive' it and ...
8
votes
1answer
462 views

Is there any way to access local server from outside without port forwarding? [duplicate]

Situation I need to access an ESP8266's Wi-Fi local server from outside. Like Xiaomi Yeelight (YeeLight Introduction Web Site Link) or LOHAS LED (LOHAS LED Web Site), I have to control it from ...
10
votes
2answers
553 views

802.11 action frames send and receive in software

Is it possible to gain access to 802.11 action frames TX/RX from software? There's a proprietary protocol based on vendor-specific action frames called ESP-NOW for ESP8266 and ESP32 chips, and I'd ...
6
votes
1answer
276 views

Wi-Fi Plug uses IPDC (Internet Protocol Device Control) for controlling via App?

I'm struggling at the moment with reversing the commands between a Wi-Fi Plug ( Amazon-Link for Wi-Fi Plug) and the associated phone app. It looks like the app controls the plug via a IPDC (IP device ...
1
vote
2answers
142 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 ...
2
votes
1answer
369 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, ...
8
votes
1answer
212 views

Set up home Wi-Fi access for a device without a screen

I'm building a connected device without a screen that needs to be connected to home Wi-Fi. WPS is not an option. The device will have a Bluetooth module in addition to Wi-Fi hardware. QR codes can be ...
6
votes
2answers
148 views

Is there a way to create WiFi with one Access Point, which should cover a big building?

I need to create a WiFi network(or other types e.g. LoRa) for IoT devices, inside a building. The Building has three floors, each about 250 square meters. The main constraint is that I can't use any ...
5
votes
0answers
415 views

Can I use my Raspberry Pi with 802.11 ah HaLow yet?

What I’m looking for is some type of USB adaptor or similar thing that I can use with a few Raspberry Pi’s to create a 802.11 ah network, but Googling hasn’t helped at all. Does anyone know how I ...
10
votes
2answers
792 views

Standards for non-Internet-connected WiFi devices?

I'm planning to do a lot of home automation. For that I will host a private isolated WiFi network to which all my devices will be connected to. The devices will be simple lights, RGB LED strips (...
10
votes
3answers
2k views

Is there a way to control my lights from my Linux desktop?

I have just started investigating smart lights. I am interested in using some Wi-Fi sockets in some lamps in my office to automate the lights. I am curious if there is a way to turn my lights on ...
2
votes
0answers
180 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) &...
10
votes
1answer
110 views

Sensors Communicating With the Pi, BLE / Wifi

I want to place a Pi 3 somewhere in my house and battery powered sensors. The Pi will read the inputs from e.g. the same level, one level above and the garden. So 1-2 regular brick walls in between ...
41
votes
6answers
9k views

What is the simplest programmable IoT device that can connect to Wi-Fi?

I am trying to build a cheap asset tracker that can be powered by a battery pack. All I need the IoT device to do, is to connect to known WiFi network access points. I have access to the backend ...
7
votes
1answer
168 views

How to issue commands to IoT devices within WiFi Network

I have an IoT device that is connected to a WiFi network. Currently, the IoT device runs a small HTTP server, and send RF signals when it receives POST requests via the internet from HTTP clients. ...
10
votes
1answer
124 views

Does CoAP depend on IEEE 802.15.4?

In the CoAP specification, it is implied that IEEE 802.15.4 can be used in conjunction with CoAP. Is this a requirement or can CoAP also be used with other OSI layer 1, 2 protocols such as IEEE 802.11,...
9
votes
2answers
281 views

MSP430F5529 + CC3100 IOT test device only responds to some test websites

Recently I have been working on an IoT project using a MSP430F5529 microcontroller and CC3100 network processor both from Texas Instrument. For evaluation I am using the MSP430F5529 launch pad and ...
10
votes
2answers
431 views

ESP8266 Without Web Page

Can I send data to an ESP8266 without creating a web server? I am accessing the GPIO pins of ESP8266 through a web server. Now I want to make an Android app for that. So I want to send data to the ...
6
votes
1answer
565 views

Controlling IoT device through a captive portal/web app over Wi-Fi & 4G/LTE simultaneously

Yeah - mostly some mad scientist stuff here. I have an IoT project I'm working on where each device must be independently connected to each users phone and not connected to any central WiFi network. ...
6
votes
1answer
391 views

Optimal Wireless Technology for High Data Rate & Low Latency IoT Application

I am planning to use the BNO055 Absolute Orientation Sensor for collecting the accelerometer, magnetometer and gyroscopic measurements for an application. As of now I want the data to be sent at a ...
7
votes
1answer
260 views

How can I make hostnames accessible?

I am using the Sonoff-Tasmota firmware to configure ESP-8266 devices for my home automation system. These devices log onto the WiFi network and obtain IP addresses via DHCP. The problem is that ...
12
votes
5answers
5k views

Do all Internet connected Things use the same “Application - TCP - IP - Hardware” stack to communicate?

I am not particularly internet savvy, and IoT technologies are especially confusing for me. I was reading this Stanford white paper on internet structure. In Diagram 2, it shows a representation of ...