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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20 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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1answer
13 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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2answers
30 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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29 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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1answer
43 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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1answer
35 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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0answers
49 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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2answers
37 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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31 views

convert string type value to integer type getting wrong result

I'm working on a project where I use MIT app inventor's spinner to select some one of the numeric value like 250 ,1000. I'm sending this value to firebase database and from that receiving it in ...
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1answer
65 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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29 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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1answer
46 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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167 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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1answer
140 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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313 views

IOT WiFi setup for iOS and Android

Hello IOT developers, I have an IOT project that requires a bit of WiFi magic, and I wonder if anyone of you guys have experience on the topic. The scenario is as follows: I have a WiFi hub (...
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1answer
932 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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2answers
69 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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38 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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2answers
55 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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1answer
72 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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1answer
24 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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2answers
433 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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2answers
231 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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1answer
65 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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0answers
34 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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1answer
342 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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39 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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0answers
88 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 ...
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39 views

what wifi modules exactly do? [closed]

Does it connect to server directly or connected to a router for data sharing or both? well, I'm having hard time about understanding this issues. Does it can provide communication to the server ...
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1answer
66 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 ...
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0answers
115 views

Using Wi-Fi hardware for ZigBee

Is it possible to use Wi-Fi adapters for communicating with ZigBee devices? Wi-Fi and ZigBee both use the 2.4 GHz range, so the radio hardware should be identical, right? Since I can not find ...
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0answers
45 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 ...
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0answers
833 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 ...
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1answer
43 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 ...
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2answers
132 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 ...
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1answer
82 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, ...
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2answers
1k 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
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1answer
90 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 ...
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1answer
66 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
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0answers
28 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
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1answer
60 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
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1answer
128 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
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1answer
303 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
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1answer
538 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
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1answer
66 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 ...
7
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1answer
636 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
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1answer
116 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 ...
9
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2answers
518 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
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1answer
136 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 ...
10
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0answers
487 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 ...