This article expounds the core functions of smartwatches and the technical principles of heart rate monitoring, focusing on the analysis of the green LED photoelectric detection technology based on PPG (the conversion process of light → electricity → digital signal) and the ECG-assisted monitoring method. It discusses the application value and limitations of smartwatches in health management, and emphasizes the role of smartwatches as a daily health reference tool.
The working principle of smartwatches is not complicated. It can be explained simply. Traditional watches, as fashion items, have relatively limited functions. With the emergence of smartwatches, not only are diverse features available to meet...
Before smartwatches emerged, early smartbands didn't even have a screen – some only had a single button and required connection to a mobile app to view synced data. The period from 2015 to 2018 can be considered the market expansion phase for s...
In response to the theme of the 6th "Zhejiang Chamber of Commerce Week", "Chamber of Commerce, Making Enterprises Stronger", to enhance the communication and interaction between the Member Rights Protection Center and the chamber of commerce and uni...
The Party building of the Chamber of Commerce: The Hangzhou Cangnan Chamber of Commerce accompanied the Cangnan County Major Energy Center on an inspection and research visit to the Hangzhou Children's Hospital. On the afternoon of September 3rd, Yan...
The tripartite collaboration builds a new chapter in Party building: The Hangzhou Cangnan Chamber of Commerce went to Huzhou to carry out a joint Party building activity, working hand in hand with the Huzhou Cangnan Chamber of Commerce and the Yuhang...
On the afternoon of August 10th, the scenic city of Hangzhou witnessed the solemn holding of the re-election conference of the Zhejiang Informationization Promotion Association. A total of 72 member representatives were supposed to attend this confer...
Design and construction category · Zhonghan Design · Tianshang Design · Zhongtian Decoration Design · Zhongshi Design · Shangda Design · Muwei Design · Yigu Design · Wujing Space · Jiu Ch...
The symposium of the Cangnan County Decision-making Consultative Committee and the Cangshang Research Center was successfully held in Hangzhou to discuss development and pool strength. On July 16, 2025, a symposium of the Cangnan County Decision-...
Smart home technology is no longer just a futuristic idea — it has become a practical and valuable part of everyday life for millions of households worldwide. From enhancing comfort and convenience to improving security and energy efficiency, smart devices are redefining how we live. Here are some of the most popular ways smart home solutions are used in daily life: 1. Smart Lighting Smart lighting allows homeowners to control lights remotely or automate them according to schedules or motion detection. Dimming the lights for a movie night, setting a sunrise alarm, or turning off forgotten lights via smartphone are just a few examples of how smart lighting adds convenience and helps save energy...
As smart homes become more popular, choosing the right connection protocol is essential for creating a seamless and reliable smart living experience. Two of the most common technologies powering smart devices today are Wi-Fi and Zigbee. While both enable wireless communication, they have unique features, advantages, and limitations that homeowners should understand before building a smart home ecosystem. What is Wi-Fi? Wi-Fi is the familiar wireless network used in most homes for internet access. Many smart devices, such as smart cameras, plugs, and speakers, connect directly to your home Wi-Fi router...
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