Year: 2025

Which Bluetooth Headphone Brand Offers the Best Value for Money? A Review of the Best Bluetooth Brands for 2025

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Which Bluetooth Headphone Brand Offers the Best Value for Money? A Review of the Best Bluetooth Brands for 2025

In recent years, Bluetooth headphones have become an essential digital product for everyone. However, many people regret their purchases—complaining about poor sound quality that resembles listening to a radio, constant complaints from callers about not being able to hear clearly, discomfort after wearing them for a while, and frequent falls during exercise… Even worse, these … Read more

UWB Chip Launched: 40 Times Faster than Bluetooth!

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UWB Chip Launched: 40 Times Faster than Bluetooth!

Source: Intelligent Communication Positioning Circle Recently, Canadian UWB manufacturer SPARK Microsystems launched the second-generation Ultra-Wideband (UWB) wireless transceiver SR1120. It is reported that the SR1120 further solidifies SPARK’s leading position in the data transmission field, significantly reducing power consumption, latency, and enhancing anti-interference capabilities compared to Bluetooth, Wi-Fi, and 2.4 GHz radio. Data rate is … Read more

Campus Bluetooth Connected

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Campus Bluetooth Connected

Campus Bluetooth Connected Have you connected to the “Bluetooth” of the Aviation Institute? The Aviation Institute Bluetooth is connecting Sharing a beautiful life Beep! You and the Aviation Institute’s Bluetooth are connected Part 1 Classroom Bluetooth The classroom is an ocean of knowledge The serious faces of students studying in the classroom Full of vitality … Read more

HarmonyOS Bluetooth Protocol Stack Development: Best Practices for Smart Accessory Connectivity

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HarmonyOS Bluetooth Protocol Stack Development: Best Practices for Smart Accessory Connectivity

HarmonyOS Bluetooth Protocol Stack Development: Best Practices for Smart Accessory Connectivity The Bluetooth connectivity feature is almost standard for all smart devices, and in the HarmonyOS system, the optimized Bluetooth protocol stack allows developers to achieve a smoother and more energy-efficient device interconnection experience. Whether you want to develop a smart watch application or create … Read more

The 10-Kilometer Bluetooth Revolution: The Era of Direct Mobile Connections Has Arrived! Will Your Life Be Completely Transformed?

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The 10-Kilometer Bluetooth Revolution: The Era of Direct Mobile Connections Has Arrived! Will Your Life Be Completely Transformed?

From 10 meters to 10 kilometers, how does a “marathon” of wireless technology outpace the future? Introduction: From “short legs” to “long-distance champions”, why has Bluetooth technology suddenly taken off? In April 2025, MediaTek, a giant in mobile chip technology, shocked the industry with its Dimensity 9400+ chip—its Bluetooth technology can achieve a 10-kilometer connection … Read more

Guide to Avoiding Pitfalls in WeChat Bluetooth Mini Program Development: Compatibility Issues between Android and iOS

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Guide to Avoiding Pitfalls in WeChat Bluetooth Mini Program Development: Compatibility Issues between Android and iOS

Guide to Avoiding Pitfalls in WeChat Bluetooth Mini Program Development: Compatibility Issues between Android and iOS Recently, at the request of our company, we developed a mini program where the low-power Bluetooth data acquisition feature is a key component. Initially, we used Android devices for real-device debugging, and everything progressed smoothly. However, as the product … Read more

Common MCU Products with DAC

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Common MCU Products with DAC

In the open-source oscilloscope differential measurement probe – PD150, there is an MCU with DAC functionality that can provide bias voltage compensation for operational amplifiers.Recently, I have been working on this product It looks very nice but it is a PIC (ATSAMD10D14A), which is not well-suited for domestic use (it’s my fault for not knowing … Read more

From Introduction to Abandonment: A Detailed Manufacturing Process of Chips!

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From Introduction to Abandonment: A Detailed Manufacturing Process of Chips!

Source: Fresh Date Classroom Original Author: Little Date Jun This article mainly introduces the process of chip manufacturing. Oxidation First, on the wafers that have been cut and polished, we need to perform an oxidation step. The purpose of oxidation is to form a protective film (oxide layer) on the fragile surface of the wafer. … Read more

Embedded – Timer and External Interrupt Simulated UART

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Embedded - Timer and External Interrupt Simulated UART

The following are the general steps and example code for simulating UART (Universal Asynchronous Receiver-Transmitter) communication using timers and external interrupts (taking STM32 as an example, using C language). This method can achieve basic UART communication functionality through software simulation without hardware UART peripherals or when additional UART features are required. #include “stm32f10x.h” // Define … Read more

Accessing FPGA Registers via UART

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Accessing FPGA Registers via UART

I often use ZYNQ, and I access FPGA registers through Linux. Recently, I experimented with the Xilinx XC7K325 development board KC705, which is a pure FPGA without ARM. So how do we access FPGA registers? I2C transmits one byte and responds each time, without the need for an additional feedback mechanism; SPI sends and receives … Read more