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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).

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Is it possible to connect an esp32 (or similar) to a "guest" WiFi network that requires logging in via a splash page?

I would like to connect an IoT device (esp32, etc.) to the guest WiFi network at the office. When I connect my own personal laptop to the guest network, it requires checking a box on a splash/welcome ...
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0 votes
1 answer
25 views

Help selecting a microcontroler

I need you help, currently I`m searching for a microcontroller That supports ultra power mode. Has bluettoth support. Can be waked up by a wireless interruption. The microcontroller must be powered ...
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0 votes
1 answer
53 views

Named URLs on Local Network

How can I access my IoT peripheral device (raspberry pi B3+) on my local network in a reliable way? I want to use WiFi not BLE. I want to protect against the device getting a different IP when it is ...
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2 votes
2 answers
110 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 ...
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3 votes
1 answer
81 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 ...
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  • 133
1 vote
1 answer
55 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 ...
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  • 11
1 vote
0 answers
222 views

How to upload new firmware to Ralink RT5350F board

I took apart old Edimax SmartPlug (model SP-1101W) to find out that the brain of the device is Ralink RT5350F chip conviniently placed on removable module board: The board has two rows of 14 pins (28 ...
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  • 111
4 votes
2 answers
4k 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 ...
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2 votes
0 answers
59 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 ...
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3 votes
1 answer
318 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 ...
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0 votes
0 answers
39 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 ...
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3 votes
2 answers
77 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 ...
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1 vote
1 answer
53 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). ...
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1 vote
1 answer
85 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 ...
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  • 119
1 vote
1 answer
62 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? ...
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  • 113
0 votes
0 answers
96 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 ...
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  • 101
-1 votes
1 answer
103 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 ...
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1 vote
2 answers
78 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 ...
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  • 21
0 votes
1 answer
68 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 ...
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  • 109
3 votes
2 answers
4k 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 ...
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  • 31
1 vote
0 answers
945 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 ...
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  • 111
0 votes
1 answer
104 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 ...
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  • 101
2 votes
0 answers
67 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 ...
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  • 121
1 vote
0 answers
40 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 ...
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  • 635
3 votes
1 answer
82 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. ...
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2 votes
0 answers
46 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 ...
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  • 121
1 vote
1 answer
33 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 ...
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  • 783
1 vote
2 answers
72 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 ...
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  • 783
0 votes
0 answers
34 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 ...
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  • 101
4 votes
1 answer
61 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 ...
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  • 151
3 votes
1 answer
56 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 ...
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  • 31
3 votes
0 answers
332 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 ...
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  • 131
2 votes
2 answers
42 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 ...
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2 votes
1 answer
144 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 ...
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  • 123
1 vote
0 answers
46 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 ...
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  • 11
0 votes
1 answer
170 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)...
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  • 101
1 vote
2 answers
910 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 ...
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  • 11
2 votes
1 answer
799 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 ...
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4 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 ...
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  • 143
4 votes
2 answers
139 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 ...
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0 votes
0 answers
43 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 ...
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1 vote
2 answers
237 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:...
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1 vote
1 answer
79 views

Two Wi-Fi networks

I am a new home owner and I am using the Google Wi-Fi Pods for a mesh network. I recently found out that my garage door opener myQ does not support mesh networks. When I installed the Google Pods I ...
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0 votes
1 answer
28 views

Wia Dot One - PIR Events are not created?

Recently I have been building some projects using the Wia Dot One and the PIR module which I got with it. I am still new to electronics so I am using the "Blocks" feature on the Wia.io platform. ...
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16 votes
2 answers
907 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 ...
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1 vote
2 answers
567 views

How to send WIFI credentials to ESP32?

I would like to know what are the available ways one can send wifi creds to esp32 other than using wifimanager.
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4 votes
1 answer
142 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 ...
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  • 635
2 votes
0 answers
36 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 ...
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  • 635
0 votes
1 answer
1k views

MQTT Client behind router and Port forwarding for subscription of Client [closed]

I use MQTT (Mosquitto) and several ESP8266 for sensoring issues. I want that the clients also can "subsribe" to trigger actions on the clients. The MQTT Server is placed in a VLAN of my main router. ...
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4 votes
0 answers
53 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 ...
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