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Questions tagged [protocols]

For questions about choosing a fitting or identifying a used protocol in IoT applications and systems. If you do know the specific protocol use a more specific tag. Please add specific protocol tags if you are choosing between specific protocols.

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12 votes
1 answer

Can I implement ZigBee with generic hardware?

As I understand ZigBee is only a specification of a data transfer protocol. So I was expecting to find some library that implements this protocol to use it with my MCU and RF transceiver. Instead, I ...
rattrapper's user avatar
9 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,...
J. Doe's user avatar
  • 93
13 votes
1 answer

Contacting Arduino through internet without port forward

I have an Arduino board connected to a Wifi network which have internet access. What I want is, I need to contact this Arduino board from any other network without the help of port forwarding in the ...
Jithesh Kt's user avatar
8 votes
1 answer

ZigBee integration (IP/Gateway)

I am looking into a way of integrating with ZigBee via LAN. Basically, what I want to achieve, is to be able to control dimmers (read/write value) get events from presence detection (events) control ...
Oyvind's user avatar
  • 241
8 votes
1 answer

Optimal Wireless Technology for High Data Rate & Low Latency IoT Application

I am planning to use the BNO055 Absolute Orientation Sensor for collecting the accelerometer, magnetometer and gyroscopic measurements for an application. As of now I want the data to be sent at a ...
Shan-Desai's user avatar
  • 1,458
5 votes
0 answers

Protocols used to control Google Home and Amazon Echo speakers

Smart assistant products Google Home as well as Amazon Echo have companion apps to control the respective devices from smartphones. What are the application level protocols that are used to control ...
sob's user avatar
  • 2,570
8 votes
1 answer

Quantum mechanics and Blockchain to secure IoT

I came across this article on IoT Security with Blockchain and Quantum mechanics. So, what's a quantum-secure blockchain and why is it more secure in an IoT setting?
iioota's user avatar
  • 89
6 votes
3 answers

What are the differences between MQTT, HTTP, CoAP devices (besides communication protocol)? [closed]

I am new to IoT platform and after days of reading I am still confused about different types of IoT devices. Currently, I have read about smart devices that connect to the cloud through different ways ...
dondon's user avatar
  • 71
5 votes
1 answer

Testing a telemetry and telecommand interface

I am currently writing a generic telecommand and telemetry library which I plan to use on Zephyr RTOS. Given an input CSV file, it generates some C++ code which can then easily be integrated in the ...
ChrisR's user avatar
  • 153
6 votes
2 answers

Is it ever a good idea to 'roll your own' protocol for IoT device communication?

I've heard many people mention that their embedded IoT devices aren't powerful enough to process known protocols, like HTTPS or even TLS security for sockets. Instead, they turn to creating their own ...
Aurora0001's user avatar
  • 18.1k
11 votes
2 answers

Do I need to use MQTT or HTTP?

I'm working on a device that sense and collect information from the environment such as temperature, humidity, etc. The device is not connected to any power source, but it has a battery, and a solar ...
zephrax's user avatar
  • 119
10 votes
2 answers

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 (...
Amr Bekhit's user avatar
16 votes
5 answers

Do all Internet connected Things use the same "Application - TCP - IP - Hardware" stack to communicate?

I am not particularly internet savvy, and IoT technologies are especially confusing for me. I was reading this Stanford white paper on internet structure. In Diagram 2, it shows a representation of ...
BestMillimeter's user avatar
14 votes
2 answers

What Messaging Type can be used for Cellular Network Oriented IoT Protocols?

This came to my attention recently when I found an amazing video on Youtube by: Micheal E. Anderson: Comparing Messaging Techniques for the IoT, OpenIoTSummit, Linux Foundation. The slides for his ...
Shan-Desai's user avatar
  • 1,458
12 votes
5 answers

Is Bluetooth a good enough protocol for "lost my keys" beacons?

Bluetooth beacons for localizing lost objects are beginning to spread. You can locate them using an app on your smartphone (yes, and create an account, share on facebook your objects, ...) with a ...
Goufalite's user avatar
  • 3,676
5 votes
1 answer

How can Chirp transmit data over sound without getting interference?

I was recently reading about Chirp, a data-over-audio protocol that sends information through (rather literally) chirping sounds either in audible or ultrasound frequencies. One of the use cases ...
Aurora0001's user avatar
  • 18.1k
6 votes
1 answer

Availability of Narrow band IoT modules or chipsets

The Narrow-Band IoT radio protocol seems to have been around for a few years, but I'm struggling to identify any manufacturers of devices that are actually available to buy (either from traditional ...
Wachirawich Siripaktanakon's user avatar
8 votes
2 answers

Does CoAP have a lower footprint than MQTT?

I recently read a Quora question about whether CoAP or MQTT is more lightweight, but the answers don't seem particularly satisfying and all contradict each other: the top answer says MQTT takes fewer ...
Aurora0001's user avatar
  • 18.1k
12 votes
1 answer

What connectivity protocol did the Carnegie Mellon University's Coke Machine use?

I've been reading over the web about the history of the Internet of Things, and one of the most interesting things I have run across is the Carnegie Mellon University's Coke machine. According to ...
anonymous2's user avatar
  • 4,642
1 vote
2 answers

List of important IoT references [closed]

This is a list of useful references and resources in the IoT environment. Standardization Bodies IoT Protocol Specifications If the accompanying meta post will validate the usefulness of this ...
Helmar's user avatar
  • 8,220
13 votes
2 answers

How to select simple light weight IoT server for development?

We are exploring the different IoT use cases and solutions. In order to facilitate the exploration, experimentation, design, development and testing of possible solution, I am investigating the ...
Mahendra Gunawardena's user avatar
15 votes
1 answer

Wired sensor protocol for buildings monitoring sensors?

Assuming I cannot use wireless technologies such as LoRa, LTE-M or SigFox in the environment for the install, I must use a wired sensor protocol to communicate with the gateway installed remotely in a ...
SeanJ's user avatar
  • 1,215
12 votes
1 answer

Connecting Proximity beacon with Mobile App

We are planning to implement a proximity beacon network which provides information to the users app based on proximity in the store. Our objective is to cover a radius of 5-7 metres. Which protocol ...
Dinesh's user avatar
  • 123
46 votes
6 answers

When and why to use MQTT protocol?

I am developing a device which measures temperature, humidity and mass. Currently it uses HTTPS to upload data to a remote server. Now I know that there is a protocol called MQTT which is claimed to ...
Bence Kaulics's user avatar