Stay updated with industry news by liking and following us!The city of Jönköping in southern Sweden is conducting a pilot project utilizing LoRaWAN technology, managed by the Stockholm-based startup TH1NG, to manage services within its population range. Founded in 2018, TH1NG provides IoT solutions for smart cities, including broadband access and IoT platform as a … Read more
↑ Click the above“IoT Time and Space” to follow us LoRa technology is developing rapidly abroad. However, in China, the application of LoRa seems limited, primarily consisting of private applications with small coverage, existing as isolated islands. Nevertheless, there are occasionally metropolitan-level LoRa networks with extensive coverage. In this article, we will review the currently … Read more
This article is sourced from: Low Power Wide Area Network Review With the gradual promotion of LoRa technology, many applications have adopted LoRa technology chips, but for various reasons, they have not utilized the LoRaWAN network protocol. So, what advantages does the LoRaWAN network protocol have compared to LoRa private protocols? Many applications have adopted … Read more
The LoRaWAN smart water meter, as an efficient and low-power remote monitoring device, plays a crucial role in IoT water management. However, users may encounter disconnection issues with the water meter during use. This article will explore the causes of disconnection in LoRaWAN smart water meters and the corresponding solutions. 1. Wireless Signal Coverage Issues … Read more
In the contemporary Internet of Things (IoT) networking scenario, as the scale of sensor networks continues to expand and the number of connected devices keeps growing, issues such as channel congestion, interference, and signal distortion have become increasingly prominent. Additionally, there are often multiple communication rate requirements within the same scenario, making it increasingly difficult … Read more
The MQTT protocol (Message Queuing Telemetry Transport) is a lightweight messaging protocol designed for resource-constrained devices and low-bandwidth, high-latency networks. It is particularly suitable for remote connections that require minimal code footprint or limited network bandwidth. MQTT 5.0 is the latest version of this protocol, featuring numerous improvements over previous versions. New functionalities include: reason … Read more
1. Basic Usage of MQTT 1. Add Dependencies // build.gradle (app) implementation 'org.eclipse.paho:org.eclipse.paho.client.mqttv3:1.2.5' implementation 'org.eclipse.paho:org.eclipse.paho.android.service:1.1.1' 2. Configure Permissions <!– AndroidManifest.xml –> <uses-permission android:name="android.permission.INTERNET" /> <uses-permission android:name="android.permission.WAKE_LOCK" /> <uses-permission android:name="android.permission.FOREGROUND_SERVICE" /> <service android:name="org.eclipse.paho.android.service.MqttService" /> 3. Core Code Example class MqttManager(context: Context) { private val serverUri = "tcp://mqtt.eclipse.org:1883" private val clientId = "android-client-[0m${System.currentTimeMillis()}" private val qos = … Read more
MQTT Introduction MQTT[1] 5.0, launched in March 2019 by OASIS (Organization for the Advancement of Structured Information Standards), is a significant upgrade from the MQTT 3.1.1 version released in 2014. As a messaging protocol specifically designed for the Internet of Things (IoT) and Industrial IoT, it was previously introduced in ‘MQTT, Friend of Weak Networks’, … Read more
MQTT (Message Queuing Telemetry Transport) is a lightweight publish/subscribe protocol that is indeed very suitable for IoT devices operating under low bandwidth communication conditions. The following sections provide a detailed introduction from multiple perspectives: Basic Principles of the Protocol MQTT is based on a client-server (i.e., broker) publish/subscribe model. In this model, client devices can … Read more
Click on the above“Hardcore Wang”, select“Pin/Star the Official Account” Get the latest benefits and resources delivered to you Hello everyone, I am Hardcore Wang. “I previously worked on desktop software development using C++ Qt under Windows, but recently while looking for a new job, I found that many positions require Linux, and very few require … Read more