Questions tagged [communication]
For questions relating to protocol-independent communication methods between user and machine as well as between machines within the IoT ecosystem.
17
questions with no upvoted or accepted answers
6
votes
0answers
304 views
Creating COM serial port between external device (Joule/Arduino/etc.) and PC over Bluetooth w/ linux sdptool & rfcomm (OR another method)
This article is not device specific, but rather is focused on using sdptool and rfcomm to setup a serial com port connection over bluetooth. If you have another method instead of these two Linux ...
5
votes
0answers
77 views
Send wirelessly very small amount of data
I need to transfer wirelessly a message of maximum 5 bytes of data (including everything such as start bits, stop bits etc etc).
What I tried:
Empty Ethernet package is at least 56 bytes according to ...
5
votes
0answers
172 views
What is the purpose of dotdot in smart home devices?
The ZigBee Alliance recently released dotdot, a new application layer for Internet of Things devices. They also provide a brief description of what dotdot does:
dotdot is the universal language of ...
3
votes
0answers
20 views
How to send data from BLE MCU to the Windows?
I have one nRF based 52840 device, which I am using to send the data by using BLE technology, my laptop has windows 10 and Bluetooth 4.0, which can detect the BLE but it cannot even connect to it.
I ...
3
votes
0answers
177 views
Using RPC in IoT environments
I would like to use RPC for communication between fog nodes. As the connection between the nodes is wireless (802.15.4), I don't want to use an RPC framework that uses HTTP (like gRPC).
I know that ...
3
votes
0answers
146 views
Alternatives to Siemens Tc65 (GSM modem) as a terminal to process text messages
I'm working on a solution to solve an existing inconvenience. Some "smart" containers send an alarm via text message when they're full. The number it sends to is a personal phone number from a worker ...
2
votes
0answers
20 views
How to find a specific BBC debate or podcast using Alexa and TuneIn?
Kinda silly, but looking at:
This show will be available later. Please come back then.
https://tunein.com/radio/Intelligence-Squared-Debate-p510948/
Is there a podcast for the BBC debates ...
2
votes
0answers
48 views
MQTT implementation recommendation for an IoT device
I have used HTTP/s based REST API for IoT application and it works well but consumes more data bandwidth and power. Also, the server resources consumed are too high for the long polling-based method.
...
2
votes
0answers
84 views
Looking for MQTT broker and client recommendations
Working to make a network of remote sensors using MQTT I'm looking for an implementation of a broker an a matching client.
Requirements
broker to be deployed in a cloud server like EC-2 and client ...
2
votes
0answers
50 views
Sigfox Callback CustomValue's issue Sending NULL instead of wanted values
I'm working on a project, and I want to use a Sigfox callback to send some data.
But when I want separate my payload as I coded it, all my values on Callback are NULL.
This is my Callback, and this ...
1
vote
0answers
32 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 ...
1
vote
0answers
56 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 ...
1
vote
0answers
57 views
Is it possible to send data to AMQP server using AT-Command on ESP8266 Wi-Fi module?
I'm currently working on an IoT project which I have an STM32F0 connected to the ESP8266 Wi-Fi module. My goal is to publish data to an AMQP server.
Currently, I'm trying to connect to an AMQP server(...
1
vote
0answers
94 views
How subcarrier affects MCS in NBIoT Uplink communication?
I cannot find it in the newer 3GPP docs. So...
To calculate Transport Block Size we this use:
Note: I TBS = MCS
But I found that if we use only one sub-carrier (single-tone) in NB1 we cannot use ...
0
votes
0answers
5 views
Cable RF Loss on RFM98W Adapter
I'm calculating the link budget for a rocket communication that reaches 3km altitude.
I'm using HopeRF RFM98W for both ends of the system.
Max RF output: 20dBm
Antenna Gain: 3dBi
3km FSPL at 433MHz: ...
0
votes
0answers
70 views
Flutter vs React Native (for building IoT Applications)
Good day Experts! I need your valuable suggestions regarding a very important decision in my development life. I need to know which framework is best suitable for IoT applications like communicating ...
0
votes
0answers
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 ...
