Heart rate detection BLE device based on RSL10
Author: yilonglucky
1. Introduction
Heart rate detection service is a standard sub-protocol in the Bluetooth protocol family. This project is based on RS...
yilongluckyonsemi and Avnet IoT Innovation Design Competition
[align=left]DLP[font=宋体]This is the first time I heard of this term.[/font]The course starts with the principle.[/font]Let us first have a preliminary understanding of[/font]DLP[font=宋体].DLP (Digital ...
[backcolor=rgb(238, 238, 238)][size=12px]I would like to ask all the experts[/size][/backcolor] [backcolor=rgb(238, 238, 238)][size=12px]I should have used a CMOS-level square wave output temperature ...
Access control has become an indispensable security equipment in our modern community. The access control system plays an important role in ensuring the safety of life and property. The importance of ...
[size=4]24 tips to reduce noise and electromagnetic interference in PCB design: [/size] [list=1] [*][size=4]If you can use a low-speed chip, don't use a high-speed one. Use high-speed chips in key pla...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
Microcontrollers (MCUs), which are widely used in automotive electronics, are rapidly facing time and cost pressures. The main advantage of using MCUs has always been to create high-level system in...[Details]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
With the continuous improvement of the requirements of intelligent building security systems and the continuous improvement of people's safety awareness, indoor anti-theft has gradually attracted peop...[Details]
1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[Details]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[Details]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]
LED technology has made rapid progress, and improvements in chip design and materials have promoted the development of brighter and more durable light sources, and the scope of light source applica...[Details]
introduction
At present, measuring instruments are developing towards networking, and each individual embedded instrument will become a node on the Internet. This system realizes the network...[Details]
With the rapid development of the national economy, lifting and hoisting operations are used more and more frequently and widely in various fields of economic construction. China has continuously expl...[Details]
Portable power applications are broad and varied. Products range from wireless sensor nodes with average power consumption of only a few microwatts to in-vehicle medical or data acquisition systems...[Details]
IntroductionLED
billboards are a kind of information display terminal for the public, which has a wide range of civil and commercial values. However, the information displayed on most LED bil...[Details]
introduction
Sudan's Muglad Oilfield is a large oilfield jointly invested, developed and constructed by a four-party consortium of China, Malaysia, Canada and Sudan. It consists of 8 satellite...[Details]