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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13 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
57 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, "...
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3answers
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How can I interface a LoraWan network with MQTT?

I have been working on a project which involves creating a LoraWan network using: Dragino lg01 as a Gateway. An Arduino Uno and a Dragino Lora shield with a simple LM35 Temperature sensor As for the ...
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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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2answers
2k 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 ...
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7answers
4k views

Could a blockchain really prevent malware in the Internet of Things?

This article claims that using a blockchain-based security system for an IoT network would prevent some types of attacks: Blockchain technology may help offer an answer. Gada observes that blockchain ...
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0answers
32 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....
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2answers
44 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 ...
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1answer
72 views

CoAP protocol using californium java library

I am working with CoAP californium library using java and my problem is that I want to get the requested resource from client in the main function of server here .. public static void main(String[] ...
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22 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 ...
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1answer
36 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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1answer
48 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 ...
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1answer
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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 doesnt have the feature to add any wifi or iot device . I am having conversation with developer team , cause its dyo platform they cant ...
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1answer
65 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 ...
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0answers
28 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 ...
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1answer
243 views

When using LTE-M's eDRX mode, is the TCP connection still open?

We currently have an IoT device, that connect to our servers using a raw TCP connection over 2G, and from times to times the device send a "keep-alive"-ish message , as we've seen it's consume less ...
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1answer
89 views

How to implement out-of-home when developing an IOT device?

I have a Raspberry Pi that tells you through web sockets and a sensor the amount of electricity you are spending in real time. I created an iPhone app as a front-end that basically just paints the ...
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1answer
351 views

Can I control Philips Hue lights locally using Samsung SmartThings?

SmartThings v2 Hubs can process some automations locally: Some preconfigured automations can run locally. Manual, on-demand control of a device or SmartApp through the SmartThings mobile app always ...
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1answer
42 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 ...
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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 ...
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0answers
67 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 ...
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2answers
265 views

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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0answers
45 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 ...
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3answers
1k views

Extreme modification suggestions for a Wi-Fi enabled hairbrush?

L'Oreal have launched a Wi-Fi enabled hairbrush, which is an IoT device. I am wondering how I can repurpose it. I am looking for serious suggestions as to how I could modify it, or connect it to ...
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3answers
2k views

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 ...
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2answers
45 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 ...
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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
782 views

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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1answer
337 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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1answer
52 views

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, ...
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2answers
2k views

How do consumer IoT devices typically enable Internet connection?

As far as I know there are 2 general methods for enabling remote (Internet, not LAN) access to IoT devices: Via a server that the device polls periodically (e.g. MQTT) Direct remote access I'm ...
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1answer
44 views

Difference between Network, Communication, and Messaging protocol

My understanding is network protocols are BLE, Wifi, ZIgbee, etc. and messaging protocols are http, mqtt, etc. So my questions are: Is my understanding so far correct? Are network and communication ...
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1answer
38 views

Is Google home an IoT Device or a WSN base station?

They say Google home is an IoT device but it has the ability to control other devices like lights, Air conditioners, etc. (in smart homes) which is more like a base station in the Wireless sensor ...
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1answer
52 views

Does server running on local host constitute IoT? [closed]

I have created a network, using mobile hotspot (without internet connectivity), between microcontroller and pc.(intranetwork) The designed server right now works on the local host. Will this be ...
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2answers
603 views

Protocol for configuring IoT device settings

MQTT is widely used in IoT when it comes to exchanging application data between the end device and the host service. The publish-subscribe model makes it easy to use: no handshaking, negotiating etc (...
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4answers
171 views

What network technology can host 1000s of local IoT devices?

I'm analysing the technologies for an IoT device that would need to be installed in a commercial environment. The requirement is to install thousands (or maybe even tens of thousands) of small sensors/...
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2answers
245 views

Stream Raspberry Pi camera to Android/iOS over internet without port forwarding? [closed]

Problem : I want make live stream from my camera attached to Raspberry pi 3 b+, which is connected to home WiFi. Streaming should be over internet. So that any client like Android/ iOS can stream it ...
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1answer
51 views

Can portable routers be connected to power supply for months without damaging their batterry?

I am looking for a solution to provide internet connectivity to my iot device through a router which would not be affected by power failures (of no more than 3 hours). The options that I can see are ...
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1answer
49 views

Cellular Base station from ethernet

Does anyone know of any devices that can take an ethernet connection and turn it into 4g to act as a base station? I am trying to find a solution to test data connection for a significant amount of ...
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1answer
828 views

SIM5320 MQTT TCP connection closing unexpectedly after time

I have been working on an MQTT protocol using the SIM5320. I am familiar with the AT command documentation, and have a working implementation with an Arduino. Firstly, I open a network socket with AT+...
2
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1answer
40 views

What's the formal name of this network configuration?

I'm researching a network inside another that can't access the internet but can be accessed by the internet. I've seen terms like cascading and heard something like a "v" configuration but neither ...
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1answer
653 views

How to start IoT development to send commands from IoT Hub to Device

I'm a .Net developer recently started working on WindowsAzure IoT, but my role is just creating web API's to provide data to client (Mobile App) sent by IoT devices. I want to send commands to ...
2
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0answers
73 views

Connect IoT devices to AWS

I have a Moxa I/O Remote connected to a Raspberry Pi running some scripts through pymodbus. I am using MQTT to publish & receive changes/requests in the I/O remote to a web service. The idea is ...
2
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0answers
825 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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2answers
3k views

How to write/post files to website server through ESP 8266

I want to know if there is a way to send files to a website with sm ESP 8266 or any other IoT device. I intend that the IoT device will be the client. A PHP or scripting file on the website will act ...
4
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2answers
891 views

Using Raspberry Pi as a Lora Node for a TTN setup

I already have a LoRa gateway that I made using a NodeMcu with ESP8266 and now I want to send data from a Raspberry Pi 3 through that gateway to the TTN. The first thing that I did was to connect ...
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1answer
132 views

How Smart Home devices communication works

I have a big doubt that I'm not able to solve. Basically, I want to understand how the smart device that I have in my home communicate with their servers, or better, how their servers can call its ...
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1answer
48 views

How to setup internet in neighbourhood, completely disconnected from regular internet? [closed]

I read in past (few years back), there is this device which can be installed, like a server and delivers access to websites in certain radius. It also uses WiFi and repeaters to provide access. This ...
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1answer
270 views

Automatic link failure detection methods in ZigBee networks

Given a ZigBee mesh network with several nodes in it. There are established links between each node via router nodes. If Node A wants to send a message to Node Z for the first time then Node A must ...
4
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1answer
58 views

How to access internet-connected home when phone moves between LAN Wi-Fi and Cellular?

My 20-year-old home control computer is on my LAN and has incoming port forwards for remote access. My iPhone can access it either way, but I have to stop and think which connection it is using, so ...