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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2
votes
2answers
383 views

Why arp -a does not show all devices connected to WIFI? [closed]

I am trying to see the IPs of all the devices connected to my WIFI. Everyone suggests to use the command arp -a in the terminal but when I do so I get always the same list of devices. I try to connect ...
2
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0answers
37 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 ...
14
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4answers
8k 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 ...
4
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1answer
2k 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 ...
3
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1answer
87 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 ...
1
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1answer
55 views

Cannot connect to softAP hosted on ESP32 IoT device on Windows 10

I have an IoT ESP32 device that needs to be configured through its softAP WiFi. When I enter the credentials of that network I get "cannot connect to network". I suspect that it's because ...
3
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2answers
2k 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 ...
1
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1answer
74 views

Are there wireless to wireless routers for meshing, and if not why?

I have years of adminning cloud/telco infrastructure but have never really looked into much for my house other than your basic router/switch/nas setup. Moved into a bigger house and wanted to ...
0
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0answers
35 views

What are the current reliable remote internet options?

I have a remote camera security system that is off-grid & solar-powered. Right now, I connect to it using a off-the-shelf mifi / hotspot device. It works, but if I ever have a few days of low ...
3
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2answers
60 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 ...
1
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1answer
43 views

Problems with smart plugs going into "not responding" state

I have some smart plugs that I recently installed at my employer's office to deal with some remote-management issues we were having. I used two different brands (the GE one and the Belkin/WeMo one). ...
1
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1answer
52 views

Nest Wifi - What to look for to make sure your current modem is compatible with a Nest Wifi device?

I'm about to pull the trigger on buying a Nest Wifi https://store.google.com/ca/product/nest_wifi. So before I spend 200$ on that... how can I verify that my current modem can handle the Nest Wifi? ...
0
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0answers
41 views

ESP32 or Other as DHCP AP / Router

I have a number of IoT devices that need to be able to connect to a central device. The ideal solution would be a sort-of homegrown router that uses an ESP32 or other solution that can operate as an ...
7
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2answers
1k 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 ...
1
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2answers
60 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 ...
-1
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1answer
56 views

How many machines do I connect to a single WiFi router?

I have 10,000 machines (to make jute-bags), and each machine needs to send data to a remote server every 2 seconds. The data consists of machine id, machine state and various other information ...
46
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9answers
10k 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 ...
0
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0answers
94 views

Chromecast, Ubiquiti/Unifi and netflix

I am having some trouble to connect the netflix app from my android app to a chromecast. Briefly, it takes a long time (from 5 to 30 minutes) until the cast icon appears in my netflix android app as ...
0
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0answers
16 views

iMX6ULL can't connect to WiFi if band-steering is enabled?

We're using the iMX6ULL and the LBEE5KL1DX WiFi/Bluetooth module. We are experiencing a problem where our device times out anytime it tries to connect to a WiFi network with band steering enabled - it ...
11
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0answers
529 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 ...
0
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0answers
60 views

Build a 220 V ~ 40 A WiFi switch for controlling my pool pump so that it can replace my mechanical timer

Looking at the Migro Outdoor Smart Wi-Fi Outlet Box it appears it's just a Wifi Switch, Contactor and Manual override switch? (just found that this is on the Sonoff itself) This was asked in the link ...
12
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2answers
585 views

Use a Particle Electron with Wi-Fi while in development

Totally new to IoT, here. I got the new Particle Electron cellular IoT device. I used up 5 Mb in like three hours. I have no idea what took up all that data. That is the monthly limit so no I have to ...
0
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1answer
54 views

Mobile device connected to custom WiFi IoT network drop connections

Intro I have a custom hardware that create a Wifi network and allow users to connect to it (mobile devices). There is no cellular SIM card, only wifi. Once connected, through sockets, I'm able to ...
2
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0answers
453 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 ...
4
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1answer
76 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. ...
4
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1answer
59 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 ...
3
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0answers
52 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 ...
2
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0answers
36 views

Add secure-Ethernet connectivity to IoT board

I'm designing a board with a small (8-bit) MCU onboard. Its job is to control a bunch of I/O and PWM signals, but does not handle any high-level connectivity but UARTs. It is required to have a WiFi ...
1
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0answers
42 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 ...
1
vote
1answer
23 views

How to replace a on-the-wire switch by a smart device?

I would like to replace this with a smart, Wi-Fi enabled device (Zigbee could be OK as well) that I could also command from Home Assistant. I would absolutely like to retain the capacity to switch ...
1
vote
2answers
48 views

How to control an ESP8266 via the Wi-Fi?

Summary I would like to build (ideally based on ESPHome) a device with a buzzer I can trigger remotely via the network. Context I have several systems built around my home automation system: Home ...
0
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0answers
32 views

Most efficient wlan module for a bunch of rcars

I want to build up a rc car on my own which I can connect/steer via an app - either smartphone or computer. Not decided, yet. I also want to use multiple cars, each for a friend so let's say in the ...
19
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4answers
608 views

What factors to consider when selecting an integrated wifi MCU for a low powered edge device?

The motivation for this question comes from the fact that some time ago I created a simple proof of concept (PoC) IoT edge device using a microcontroller and a CC3100 Wifi network processor. One of ...
10
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3answers
1k 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 ...
3
votes
1answer
46 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 ...
14
votes
2answers
3k 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 ...
16
votes
2answers
729 views

What is a good way for an IoT device to receive its network settings?

I'm in the process of building an IoT device using ESP8266. The device will eventually contain a couple of motors, and I would like to control these motors using MQTT. I would like to make the device ...
3
votes
0answers
180 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 ...
2
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2answers
40 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 ...
1
vote
1answer
79 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 ...
6
votes
1answer
300 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 ...
1
vote
0answers
36 views

Please ensure your device has a proper internet connection

I have been using the 1st. Gen Kevo for almost 3 years now and was working perfect until last week that stop working with all of our phones (1 iOS and 2 Android) I tried to reset the lock and from ...
1
vote
2answers
603 views

How many local IoT, MQTT devices on a single WiFi router?

I am working on a dedicated WiFi network of real-time, IoT devices communicating with MQTT. Messages are very short, approximately 100 bytes. There will be at least 85 devices on the network. IoT ...
0
votes
1answer
93 views

How to flash original firmware of a device?

I flashed Tasmota on my wifi boiler switch (the white one with the glass touch panel the uses 'SmartLife' app like the one here: https://www.amazon.com/dp/B07PLQHJDW/ref=cm_sw_r_cp_apa_i_DiCoEbV2ANWMJ)...
2
votes
1answer
617 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 ...
12
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1answer
26k views

Connect to device at home network remotely

I am trying to figure out if it is possible in any way for me to remotely connect to a device on my home network, but remotely. Scenario: My entertainment system is connected to the home network, ...
4
votes
2answers
118 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 ...
0
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0answers
40 views

Why MCU can connect to WiFi network and computers cannot?

I was testing a system based on some devices connected to a WiFi network. There are 3 devices that make part of the system: A raspberry Pi, an ESP32 and a laptop PC. The raspi acts as a Apache server ...
1
vote
2answers
101 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:...
12
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5answers
1k views

Is Bluetooth a good enough protocol for "lost my keys" beacons?

Bluetooth beacons for localizing lost objects are beginning to spread. You can locate them using an app on your smartphone (yes, and create an account, share on facebook your objects, ...) with a ...