Questions tagged [networking]
For questions about networks of Internet of Things devices and their administration, management and security. Consider using more specific tags instead of this where they apply, since this tag is intended for generic questions about networking itself.
148
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20
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Does 4G based OBD-ii device have mac or physical address? And alternative solution for restricting and whitelisting
I know that almost all devices need a mac or a physical address to work with the Internet. I want to know that GSM-based devices like OBD-II have such addresses. We asked the manufacturer and they ...
- 336
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1
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31
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How can this PV-monitoring system communicate bidirectional
I've got a solar panel system with a Growatt inverter.
The system has a monitoring platform. To connect the inverter to the internet to let it communicate with the monitoring portal, you need a "...
- 131
1
vote
1
answer
47
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Failed to connect to TCP server on ESP32 board
I wrote a TCP client in C and a TCP server in Python. The client runs on a ESP32S2 board while the server runs on my PC (virtual Linux OS) and both the board and PC are connected to the same Wi-Fi. ...
- 31
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0
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20
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Apple TV - route specific app(s) through VPN
Apple TV does not have support for VPN apps like SurfShark or ExpressVPN like Android.
The problem
There is one specific app I would need to go through a specific country. All other apps should not ...
- 111
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21
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Does a fully dynamic host-guest cluster system already exist?
I'm looking for existing literature on systems where the host as well as the guests are all dynamic; any device might drop out at any moment, or reconnect.
Use case: ad-hoc mobile compute-farms where ...
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48
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How to triangulate phone position?
Description: I am trying to create a map to see how people carrying a cellphone move inside of a given region (e.g. a building).
Since not everybody has Bluetooth or Wi-Fi turned on, I was trying to ...
- 185
-3
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1
answer
47
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Why it is called Internet [closed]
Hi Today was my first computer class and our teacher told me that using internet my computer talks to other computers outside my house then if it is talking to outside computers why it is called ...
3
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1
answer
165
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Mylek heater on Tuya app - online/offline
I've been using the Tuya app on iPhone for a couple of months, first with a Devola heater which broke down in a month so I sent it back, now with a Mylek.
I didn't realise until I got the Mylek that ...
- 141
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1
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91
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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 ...
- 103
3
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1
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262
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How to simulate an IoT device or a network of IoT devices without hardware?
Hey IoT stack community!
I want to ask how I can simulate an IoT device or a network of IoT devices, if i don't have a single piece of hardware? Is this possible in any way at all?
To give you some ...
- 171
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44
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Automatically get APN
It seems that my phone somehow can get APN settings automatically, after inserting my old SIM card to the new phone m.tinkoff in iOS Mobile Data Network menu appeared automatically, and this correct ...
- 101
3
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1
answer
2k
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Samsung SmartThings washer and dryer unable to connect to the app
For the past few weeks I've been unable to use my Samsung SmartThings washer and dryer via the app. I use the notification feature to keep track of completed loads and sometimes use the app to start ...
- 151
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0
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146
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Can I upload 2 code files to a NodeMCU
I have a NodeMCU board. I uploaded blink example for that board and I need to add another example project from the IDE. What happens to the 1st code example or blink example when 2nd code uploaded. Is ...
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2
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1
answer
182
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How can I identify what kind of IoT device is in my network?
I am trying to build a system in which IoT devices can connect and are classified without the need for manual checks by the system administrator. In this system, IoT devices will send data, and on the ...
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2
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9k
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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 ...
- 185
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1
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243
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(Re)Joining existing Lora-wan end-devices to another network server
We are moving our Lora-wan gateways and end-device from Loriot to another opensource network server.
But we are experiencing problems with some of our devices, when trying to rejoin using OTAA.
What ...
2
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0
answers
111
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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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1
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47
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How to fix this problem "connection to this site is not secure"? [closed]
I tried to access this website http://www.oaic.dz:9001/forms/frmservlet many times, but it denied me accessing (only white page) as it shows in the attached file (screenshot)
I tried installing Java, ...
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3
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1
answer
606
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"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 ...
- 71
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0
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76
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What Kinda of Trigger to Use for a System with Two Raspberry-Pi's
I have a system like the image shows. Now instead of it being connected with an Ethernet cable, it is going to be wireless.
The SBC's represent Raspberry Pi's.
SBC0 reads the data all the time and is ...
- 101
1
vote
1
answer
56
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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). ...
- 111
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196
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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 ...
- 101
3
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2
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97
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How to use SSH server on a remote device and overcome routing issues
I am designing an embedded Linux device that acts as a gateway for sensor data. In some cases this device will use a back-haul that I don't control (e.g. customer supplied cell or cable modem). I ...
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251
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Monitor Eufy Homebase from iPhone Apple Home?
I have a Eufy Homebase 2 with 6 EufyCam 2C and a wired doorbell connected. The Homebase is setup as a “room” in Apple HomeKit. The Homebase is Ethernet connected to Xfinity new router, with wifi ...
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1
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96
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Do I need different certificates for every thing?
I'm learning AWS and I created a new thing with the required certificates to access it via MQTT:
root-CA.crt
.private.key
.cert.pem
If I'm not wrong the root-CA.crt file will be the same for all the ...
- 635
5
votes
1
answer
205
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Can you intercept outgoing messages from devices on your LAN?
Many IoT systems have 3rd-party APIs people have reverse-engineered so they can add custom integrations, but these all work by impersonating the app, receiving updates from the server.
If I'm on my ...
- 161
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1
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57
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Why we can't get as fast internet speed as NASA? [closed]
Some months ago I came to know that NASA has the fastest internet on the planet (with obvious reasons). But, my point is not that
• I want to know why we commoners can't have such speed in our ...
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3
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1
answer
92
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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.
...
- 151
1
vote
1
answer
55
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How IoT device in my local network is controlled from other networks? [duplicate]
I have some WIFI bulb from Xiaomi/Philips. It is controlled using Mi Home app. I can control it (turn on/off) both when I am in the same network as the bulb or when I'm in a completely different place,...
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57
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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 ...
- 121
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0
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48
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Mini weather station project not working
I have been trying to do this project for 2 weeks. The project is about mini weather station. It uses esp8266, DHT11 sensor,BMP180 sensor and FC 37 rain sensor. I have taken reference from the ...
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0
answers
99
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Is there any way to use scanner front panel to scan to linux?
I have a EPSON WF-3540 MFP. I want to use it to scan files directly to my NAS. As this device does not support scan to FTP or any other network share, I thought of using a lightweight linux device (e....
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2
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97
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How do I minimize cellular data usage for my embedded project?
I have an embedded project that is transferring data from the device to my server over a TLS cellular connection. The device needs to communicate with the server only when the sensor captures some ...
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3
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1
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124
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Windows IOT cmd - Delete unplugged (hidden) Ethernet adapters
In Windows IOT - is there an option via command line to delete unplugged (hidden) Ethernet adapters?
My issue is, when I am plug in an USB-TO-ETHERNET device adapter, it is have the name, lets say, "...
- 131
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27
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eSIM - technology issue?
Let's consider a SmartWatch which has eSIM inside.
If the carrier is not supporting it, is there a chance that I can activate it?
Details: the SmartWatch in question is a Samsung one. My carrier is ...
- 101
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1
answer
754
views
What are the advantages of NRF24L01 when compared to LORA module
i am designing an Iot project. In that project i want to transfer small bytes of information from one place to another place which is located more than 2kms away from previous location. therefore ...
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1
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56
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Way to connect to connected objects from outside without configure internet box [duplicate]
I don't really understand the way the things works:
How connected plugs can be switch from an external device (not in the local framework)?
I understand that a way is to configure personnal internet ...
- 9
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1
answer
44
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How to add the feature of adding wifi device or iot device in an app?
I created an application on dyo appypie platform. The platform doesn't have the feature to add any WiFi or IoT device. I am having conversation with developer team, because it is dyo platform they can'...
1
vote
1
answer
399
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Connecting to a remote IoT device using a 4G dongle
I am building an IoT device that needs to be deployed at a remote location. There is no fixed line accessibility having me resort to a 3G/4G wifi dongle for connectivity. Are there any alternatives ...
- 111
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0
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34
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Which conferences and journals are notably trusted in the area of wireless sensor networks?
I am trying to get into the field of security concerning wireless sensor networks and found several good books and papers. But still this research topic is filled with fraud publications on ...
- 111
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63
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how to network a receiver to a public server
My company use sensors on doors to track activity and access control on the doors for many sites throughout the UK. We need to log this activity by sending UDP packets from the sensor's receiver to ...
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0
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163
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Receiving Data from MacBAT 5 in python
I need to be able to communicate with a PLUM-EVC, MacBat 5 from a remote server using Python. I have been given parameters, IP and Port which are required to get the data from EVC.
I am completely ...
- 111
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176
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ESP8266 and MQTT not working with new router [closed]
Got a new router from the ISP and my ESP8266 NodeMCUs are causing problems, they need very long to connect to WiFi (3-4 mins), which wouldn't be that big of a problem, but they also don't connect to ...
- 11
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0
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50
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Access home security system through other network?
I'm looking to connect my phone to my building security cameras and gates.
I've been using the same app I use on my wall-mounted tablet and managed to set all the settings correctly.
The only problem ...
5
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3
answers
1k
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Accessing IoT device from remote server using IP address
Is it possible to access an IoT device (which may be a HTTP REST Client or MQTT client) from remote web server over Internet and send text to that particular device (instead of broadcasting message ...
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4
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6k
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Is it a good option to send images over LoRa network?
LoRa (Long Range) technology is one of the promising technology which offers long range communication with low power consumption.
Therefore when building a device that can be deployed in a no ...
- 357
4
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2
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71
views
WLAN Hotspot Internet sharing possibilities?
I figure this is the best place to ask.
Many IOT devices need to be connected to a network, and sometimes require Internet access, but not 100% of the time.
Usually it's fine to just connect them to ...
2
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0
answers
38
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 ...
- 635
3
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1
answer
3k
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What's the size in bytes of a single, TLS-encrypted MQTT message?
To determine the use of bandwidth usage, I need to know the exact size of a MQTT message sent from a device to a server.
This message looks something like this:
client.publish(topic="foo", payload="...
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1
vote
1
answer
70
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Remote sensor cloud connection
i'm just starting out in Arduino, IoT etc; I was given the Elgoo Uno R3 Arduino starter kit at the weekend and i've been trying to soak it up.
I would like to make a number of sensors for my van, ...
- 111