Active Copper Cable

September 25: Information Disparity (Incremental News on AI, Chips, Robotics, Digital Currency, Copper, etc.)

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September 25: Information Disparity (Incremental News on AI, Chips, Robotics, Digital Currency, Copper, etc.)

Note: Do not invest in unofficial software; those asking you to recharge, transfer, or remit money are scammers! Macro News 1)19:32:55【Public total scale exceeds 36 trillion, reaching a historical high for the fifth time this year】September 25 Industry Information General AI: 1) AI Narrative: ①The International Data Corporation (IDC) recently released the “Global AI and … Read more

How Copper, Nickel, and Arsenic Co-occur with Zinc-Lead Ores in the Lisheen Deposit, Ireland: Breakthroughs in Isotope Tracing and Deep Exploration

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How Copper, Nickel, and Arsenic Co-occur with Zinc-Lead Ores in the Lisheen Deposit, Ireland: Breakthroughs in Isotope Tracing and Deep Exploration

Abstract The Irish mineral field contains both zinc-lead deposits and copper-nickel-arsenic deposits, but the relationship between their formation is controversial. This study focuses on the copper-nickel-arsenic ores of the Lisheen deposit, analyzing their mineral characteristics, formation sequence, and chemical composition. The research found that these copper-nickel-arsenic ores and zinc-lead ores were formed from the same … Read more

Why Is Bluetooth Called ‘Blue’ Tooth?

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Why Is Bluetooth Called 'Blue' Tooth?

Bluetooth (蓝牙) is a term we are all too familiar with—Bluetooth headsets, Bluetooth mice, Bluetooth speakers… Bluetooth is closely related to our lives. But what exactly is Bluetooth? This story starts with a Danish king. Bluetooth is actually a short-range wireless communication technology that is a global open standard for wireless transmission of voice and … Read more

Technical Analysis of Bluetooth Low Energy Throughput Metrics

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Technical Analysis of Bluetooth Low Energy Throughput Metrics

Produced by Zhien Smart Chip As Bluetooth Low Energy (LE) technology continues to develop, throughput has become an important metric for evaluating the performance of Bluetooth devices. This article discusses the factors influencing Bluetooth LE throughput and compares the performance of two Bluetooth LE MCUs (including the author’s company and competitor N) under different environments. … Read more

Understanding BLE Stack: A Beginner’s Guide

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Understanding BLE Stack: A Beginner's Guide

Understanding BLE Stack: A Beginner’s Guide Hello everyone! Today, I want to talk to you about the Bluetooth Low Energy (BLE) stack. As an embedded developer, I know that many beginners can be intimidated by the complex architecture of BLE. Don’t worry, I will use the simplest language to help you clarify the ins and … Read more

Getting Started with Zephyr: Low Energy Bluetooth

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Getting Started with Zephyr: Low Energy Bluetooth

Overview Low Energy Bluetooth (BLE) is one of the most popular communication protocols for IoT devices. While it shares a name with traditional Bluetooth technology, Bluetooth Classic, BLE is considered a completely different technology, designed for different types of devices. The main difference between Bluetooth Classic and BLE lies in the duty cycle. BLE achieves … Read more

ZigBee, WiFi, and BLE: A Battle of Wireless Communication Technologies

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ZigBee, WiFi, and BLE: A Battle of Wireless Communication Technologies

Author: Brian Ray Source: CSDN IoT Development Choosing the right technology is key to success. Wireless technology allows devices to establish network connections and communicate with each other without the need for wired cables. This article will detail the characteristics of five IEEE protocols. Various types of wireless network technologies support communication between devices or … Read more

NXP Semiconductor Zigbee & BLE Technology Course Next Week

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NXP Semiconductor Zigbee & BLE Technology Course Next Week

Interconnectivity is the key to the rapid development of the Internet of Things (IoT). However, due to the fragmented nature of IoT devices and application scenarios, it is challenging to meet the communication needs of all devices and applications in the IoT field with a single communication protocol. This has led to the emergence of … Read more

Why Is Bluetooth Called ‘Bluetooth’ and Not ‘White Tooth’?

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Why Is Bluetooth Called 'Bluetooth' and Not 'White Tooth'?

Source: Guoke Bluetooth is a term we are all too familiar with. But what exactly is Bluetooth?This story begins with a Danish king.Bluetooth is actually a short-range wireless communication technology that enables short-range data exchange between fixed devices, mobile devices, and personal area networks (using UHF radio waves in the ISM band of 2.4-2.485GHz). Bluetooth … Read more

Analysis of Cloud Ding Lock BLE Communication (Part 2)

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Analysis of Cloud Ding Lock BLE Communication (Part 2)

1. Introduction In the previous article, we extracted the firmware of the smart lock through the SWD interface and successfully loaded it using IDA. This article will continue analyzing the firmware, studying how the lock processes the communication data of BleKey sent by the phone via BLE. Continuing from the previous article, we followed the … Read more