This article is authored by: Wang Feng Source: IoT Jianghu (WeChat Official Account: iot521) Compared to cellular networks, the standards of IoT are complex and constantly changing. This article attempts to clarify the principles, characteristics, and application scenarios of different IoT standards through the evolution of smart bicycle locks. First, let’s look at the main … Read more
The chilling frost wind enters the night, countless stars shine in the sky, the pipa plays a rapid tune of golden spears, and the heavenly sounds are accompanied by the drums… As the pipa plays, behind the night curtain, an unprecedented battle in the Internet of Things begins! Wireless communication technology has rapidly developed for … Read more
What Is NB-IoT? There are many wireless communication technologies for the Internet of Things, mainly divided into two categories: one is short-range communication technologies such as Zigbee, WiFi, Bluetooth, and Z-wave; the other is LPWAN (Low-Power Wide-Area Network) technologies for wide-area communication. LPWAN can be further divided into two types: one operates in unlicensed spectrum, … Read more
1 Introduction The purpose of this article is to provide an introductory technical overview of LoRa® and LoRaWAN™. Low Power Wide Area Networks (LPWAN) are expected to support a major part of the predicted billions of IoT devices. LoRaWAN™ is designed from the ground up, optimized for battery life, capacity, distance, and cost. An overview … Read more
BY：Author Arjun Nagarajan LoRaWAN is a remote wide area network protocol developed by the LoRa Alliance that connects “things” wirelessly to the Internet in regional, national, or global networks. This technology meets critical Internet of Things (IoT) requirements such as bi-directional communication, end-to-end security, mobility, and localization services. It defines the communication protocol and system … Read more
Recently, keywords like LPWAN have sparked a craze in the IoT field. With LPWAN, LoRa, and LoRaWAN having similar names, many people are confused about these three concepts. So today, let’s explore the differences and connections between them. LPWAN, also known as LPN, stands for Low Power Wide Area Network or Low Power Network, referring … Read more
Internet of ThingsConference Recommendations We are honored to invite several well-known companies and institutions from the TOP20 list, including ARM, Huawei, ZTE, Keysight Technologies, and Alibaba, to attend the ET2018 IoT Forum (Shenzhen Station) to give wonderful speeches. Including: IoT security chip-level solutions, IoT security, latest applications of NB-IoT, IoT + blockchain, IoT + AI, … Read more
In Python, if you want to interact with the internet, the Requests library is definitely a “must-have”. Whether it’s scraping web data or interacting with API interfaces, Requests makes HTTP requests super simple. Today, we’ll break down this amazing tool’s usage and provide some practical examples, so by the end, you’ll be able to easily … Read more
Requests: The Most Powerful HTTP Library in Python Hello everyone, I am a Python developer. Today, I want to introduce you to the most popular HTTP request library in Python – requests. Calling it the “most powerful” is not an exaggeration, as it makes sending HTTP requests as natural as breathing. Whether it’s scraping web … Read more
Title: “Requests: A Simple HTTP Request Library” In modern software development, web requests are a common requirement. The Python Requests library is a simple and easy-to-use HTTP request library that makes interaction with web services straightforward and efficient. This article will introduce the basic functionalities and usage of Requests to help you quickly get started … Read more