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.

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How to Achieve Max Speed Transactions ( Transfers ) between Lora Packet Forwarder to Remote Server

I have a Lorawan devices that works as witnesser and beaconer. Simply it gets the Signal-Data from other same type of Lorawan devices. There is a Packet Forwarder software on that device OS and it ...
Farukest's user avatar
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2 votes
0 answers
36 views

Best way to implement public blockchain for IoT?

I'm attempting to build a blockchain network of IoT devices that would allow public access such that any person around the world could push data to it and there would be an immutable record of all ...
Samuel stankiewicz's user avatar
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0 answers
31 views

Private ip in raspberry pi?

I have a Raspberry pi 4 that is connected to a therm sensor ds18b20. The Raspberry Pi is running a flask application in 0.0.0.0 in port 5000, the app gives the current temperature using the sensor ...
Rodrigo Veiga's user avatar
0 votes
2 answers
53 views

Possible reasons why my Alexa turns on the wrong light

We have multiple IoT devices at home. For this explanation, we're concerned about the bedroom lights and kitchen lights. I have two Alexa devices, the main one is in the kitchen (Echo Show) and the ...
Aurora A's user avatar
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0 votes
1 answer
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How to inspect trail camera network

I was recently given a trail camera, "wildlife camera." It works great, but the mobile app to connect and see the pictures/videos is very janky and hard to use. I write software for a living,...
icicleking's user avatar
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0 answers
36 views

Jetson AGX Xavier - mmc_rx_fifo_overflow Meaning

Currently running JetPack 4.4 - L4T R32.4.3 on a ConnectTech Jetson Xavier AGX. We have our own custom application accepting data on one of the ethernet ports via UDP. Occasionally we’ll notice that ...
Rob_S's user avatar
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1 answer
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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 ...
Lucifer's user avatar
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1 answer
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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 "...
user2190492's user avatar
1 vote
1 answer
188 views

Failed to connect to TCP server on ESP32

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. ...
Yiyang Yan's user avatar
1 vote
0 answers
61 views

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 ...
ramden's user avatar
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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 ...
Kevin's user avatar
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0 answers
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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 ...
Federico Gentile's user avatar
-3 votes
1 answer
50 views

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 ...
Aedrian Luth's user avatar
4 votes
1 answer
328 views

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 ...
Tetsujin's user avatar
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1 answer
122 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 ...
errolflynn's user avatar
3 votes
1 answer
546 views

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 ...
Muhammad Yasir's user avatar
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0 answers
66 views

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 ...
Kamil Zaripov's user avatar
3 votes
1 answer
3k views

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 ...
kettlepot's user avatar
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0 votes
0 answers
416 views

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 ...
Savithu's user avatar
2 votes
1 answer
359 views

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 ...
degr8sid's user avatar
8 votes
2 answers
16k 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 ...
Federico Gentile's user avatar
0 votes
1 answer
576 views

(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 ...
Alexander Ibsen's user avatar
3 votes
0 answers
165 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 ...
green bobcat 's user avatar
-1 votes
1 answer
59 views

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, ...
Happydz's user avatar
3 votes
1 answer
1k 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 ...
Ícaro Lorran's user avatar
0 votes
0 answers
80 views

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 ...
zellez11's user avatar
  • 101
1 vote
1 answer
67 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). ...
Steve Broberg's user avatar
0 votes
0 answers
342 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 ...
Swivel's user avatar
  • 101
3 votes
2 answers
117 views

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 ...
Nick's user avatar
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4 votes
0 answers
277 views

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 ...
whakawaehere's user avatar
5 votes
1 answer
121 views

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 ...
Mark's user avatar
  • 705
5 votes
1 answer
286 views

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 ...
Mr. Boy's user avatar
  • 161
-6 votes
1 answer
62 views

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 ...
David's user avatar
  • 101
3 votes
1 answer
102 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. ...
97WaterPolo's user avatar
1 vote
1 answer
63 views

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,...
mnj's user avatar
  • 113
2 votes
0 answers
59 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 ...
user19087's user avatar
  • 121
0 votes
0 answers
49 views

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 ...
Dharshinii Ravikumar's user avatar
1 vote
0 answers
129 views

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....
Svenito's user avatar
  • 11
2 votes
2 answers
115 views

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 ...
Chris Fernandez's user avatar
3 votes
1 answer
135 views

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, "...
Tamir Adler's user avatar
0 votes
0 answers
27 views

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 ...
Daniel's user avatar
  • 101
0 votes
1 answer
954 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 ...
Thisura's user avatar
0 votes
1 answer
64 views

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 ...
Xax's user avatar
  • 9
0 votes
1 answer
47 views

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'...
The Green Curtains's user avatar
1 vote
1 answer
554 views

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 ...
rohit-biswas's user avatar
1 vote
0 answers
34 views

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 ...
baxbear's user avatar
  • 121
1 vote
1 answer
68 views

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 ...
Nicky McKenzie's user avatar
1 vote
0 answers
269 views

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 ...
NealCaffery's user avatar
1 vote
0 answers
189 views

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 ...
Tani's user avatar
  • 11
0 votes
0 answers
52 views

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 ...
Asaf Kfir's user avatar