Top "Iot" questions

What is the difference between MQTT broker and Apache Kafka

I am developing a mobile messaging app. I was going through technology needed and found two MQTT & Apache Kafta. …

apache-kafka mqtt iot

How to find Co2 and O2 level using MQ135 with Arduino

How to find Co2 and O2 level or any other parameters using MQ135 with Arduino, I just sensed ppm data …

arduino-uno iot

What is the maximum message length for a MQTT broker?

I am using the node.js mosca MQTT broker for some internet of things (iot) application. https://github.com/mcollina/…

node.js mqtt iot

Compare Intel Galileo and Intel Edison

I am quite new to the Internet of Things. I checked the Intel website and went through a few other …

embedded iot intel-edison intel-galileo soc

How to trigger Python script on Raspberry Pi from Node-Red

I'm using Node-Red, hosted on a Raspberry Pi for an IoT project. How do I trigger a Python script that …

python raspberry-pi gpio iot node-red

How to deploy Windows 10 IoT (Rasp Pi image) as a Virtual Machine

Is it possible to deploy Windows 10 IoT (Rasp Pi image) as a Virtual Machine using VirtualBox or VMWare Player? I …

windows iot windows-10

MQTT broker in Azure cloud

I have a backend device with MQTT client connected to opensource MQTT broker (Mosquitto). On the other hand I have …

azure cloud mqtt iot

OPC UA protocol vs MQTT protocol

I would like to compare OPC UA vs MQTT on basis of the general characteristics of both the protocols such …

protocols communication mqtt iot opc-ua

RFID RC522 Raspberry PI 2 Windows IOT

I'm looking for a way to use the RFID "RC522" on a Raspberry Pi 2.0 on Windows IOT. It is of …

c# raspberry-pi2 iot windows-10-iot-core windowsiot

Totally Disconnect a Bluetooth Low Energy Device

I connect to a BLE device with the connectGatt() method in Android. This works great. When I disconnect I use …

android bluetooth iot bluetooth-lowenergy