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1500 questions
10
votes
1 answer

Wio Node setup failed

To setup Wio Node, I installed the Wio Android app. The procedure doesn't end when I try to connect Wio Device like the image. After that I installed wio-cli and a driver for Mac. Then logged in. % wio login 1.) Global Server…
ironsand
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10
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2 answers

How do car insurance tracking devices connect to the internet?

There are these devices that you can plug into your car and the insurance company can get real time data to "lower" your insurance cost. Image from U.S.News, 2016. How do they connect to the internet? Satellites? Mobile network? Searching on Google…
10
votes
1 answer

2G-4G SIM Cards for Cellular Modules, specifically the new NB-IoT

I'm trying to connect to the NB-IoT network in my city, and I've already gotten the hardware as well as the confirmation that there is an NB-IoT cell tower in my neighborhood. Naturally, there's an NB-IoT SIM card as well that is used to connect to…
akimbo_dragon
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10
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1 answer

Industrial Internet vs IoT

Wikipedia on my mother tongue Finnish about Internet of Things (sorry, in Finnish language, but I'll translate the essential) mentions IoT as a synonym or closely related to Industrial Internet. As translated to English the paragraph…
mico
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10
votes
2 answers

AWS IoT implementation on a low end controller like Atmega328, nrf51822?

I have been using AWS IoT implemented in a RPi for a while. I was wondering if I could use a controller like Atmega328 or some NRF based controllers or STM32 to publish and subscribe to AWS IoT MQTT broker ? I did a bit of research on that and I'm…
10
votes
1 answer

Server to handle connections with smart sockets

Right now I'm working on architecture for application that will manage smart sockets and I need advice. This is what I have for now: I'm not sure how to handle connection between Spring and smart socket (I want to be able to turn on/off socket from…
10
votes
7 answers

Can I use an ESP8266 as an MQTT broker?

I am making a home automation project based on star topology. What I am trying to achieve is that one of the nodemcu/ESP8266 acts as a server which is accessible for the outside world and other nodemcu/ESP8266 acts as clients which are connected to…
Rohit Mathur
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10
votes
2 answers

Are wireless mesh networks limited to PAN applications?

Reading about Zigbee, I see it described as a technology for creating personal area networks. I've also been reading about 6lowPAN, which seems to crop up in mesh settings, cementing the idea, at least in my mind, that mesh is limited to PAN…
Chris Steinbach
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10
votes
2 answers

What are some good tools for graphing sensor values?

I'm using Home Assistant for my home automation, it has some basic graphing capabilities but only for the last 24 hours. I'd like to create graphs both with fine granularity and over long periods of time. I have a home office in the basement, where…
Thomas Jensen
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10
votes
1 answer

Connecting web app to IoT AWS

I am using Raspberry Pi as a web server this web is to control CNC machine as you can see in the following picture. (I took it from git hub) I can enter the g code manually or I can upload the g code file but now I want to connect this web page to…
Balsam Qassem
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10
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4 answers

What is the easiest to install smart switch that has a remote control?

I want to install a light switch at my church that has a remote control. Similar to the Lutron Caseta. The only requirement is that it has a remote control. Prefer not to have a dimmer. I would like to have as few accessories as possible. Are there…
justin
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10
votes
1 answer

Does CoAP depend on IEEE 802.15.4?

In the CoAP specification, it is implied that IEEE 802.15.4 can be used in conjunction with CoAP. Is this a requirement or can CoAP also be used with other OSI layer 1, 2 protocols such as IEEE 802.11, BLE or LTE/5G/etc?
J. Doe
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10
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1 answer

How can I synchronise data between devices, avoiding loss of messages and duplication?

I have an IoT network of devices sending data to each other, with data being stored in a database. If I have a device sending 10 packets/API requests in sequence, sometimes only a few reach their destination. For example, packets 1, 3 and 9 might…
10
votes
1 answer

Data connection issues during when working with IoT devices

Following my previous question here, what are solutions to overcome issues with the data connection (i.e. data out off-quota or I'm out of coverage) during the work with my IoT devices. Especially when working tackling critical issues? This is…
Wafie Ali
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10
votes
2 answers

Remote Firmware Update Arduino Nano

I am working on Arduino Nano (32Kb flash memory of which 2Kb used by boot loader, 2Kb SRAM, 1Kb EEPROM). The micro-controller takes input from an electrical device via RS485 module and posts the data read to a remote server using GPRS A6 module.…
Ashish K
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