Background: The BlueNRG series has a hardware RTC, but unfortunately, this part is turned off when sleeping. If used at this time, it will cause inaccurate time. But in many cases, we need the timing ...
[color=rgb(68,68,68)][backcolor=rgb(255,255,255)]I have a question. Can someone please help me answer it? My wince has already installed the iic driver. So do I need to write a separate driver to conn...
When using serial communication, after using AT+CIPSEND, it returns >, and then when using AT+CIPCLOSE to close, the command sent is sent as a message. Can anyone help me?...
[i=s] This post was last edited by Firefly on 2017-6-8 10:07 [/i] May I ask: For the calculation formula of capacitor reactance: [font="]Xc [/font][color=#404040][font="][size=10.0pt]= [/size][/font][...
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 19:58[/i]A novel dimming desk lamp controller, which changes the incandescent lamp in a step-by-step cycle of "strong light-medium light, ...
The rapid development of the Internet has realized high-speed information transmission and resource sharing, greatly facilitating people's lives. Embedded systems are widely used in various electr...[Details]
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[Details]
The Mobile Industry Processor Interface (MIPI) Alliance is an organization responsible for promoting the standardization of software and hardware in mobile devices. It has released the D-PHY specif...[Details]
introduction
Solar cells and LED lighting are typical applications of new energy and energy-saving and efficient technologies. Solar LED lighting uses solar cells to convert solar energy...[Details]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[Details]
1 Introduction
Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in a medium, so they are used for distance measurement. Ultrasonic detec...[Details]
Vertical cavity surface emitting lasers (VCSELs) are gradually replacing traditional edge emitting lasers, especially in low bandwidth and short-distance communication systems where cost factors ar...[Details]
With the advocacy and implementation of the government's Safe City Plan, the security market has increasingly higher requirements for the clarity of surveillance images. Imagine that after a case o...[Details]
This article will introduce a design method for a distributed control system used in a tracking car, which can perform distributed control of motor modules, sensor modules, and lighting control mod...[Details]
Introduction
Nowadays, people pay more and more attention to the security alarm system, and people have higher and higher requirements for the functions and performance of the alarm. This paper prop...[Details]
In industry, voltage 0…5 (10) V or current 0 (4)…20 mA is usually used as a method for analog signal transmission, which is also a method often used by programmable controllers. So what are the dif...[Details]
Power supply is often the most easily overlooked link in the circuit design process. In fact, as an excellent design, power supply design should be very important, which greatly affects the perfor...[Details]
Energy conservation and environmental protection are the main directions of current automotive technology research, and power batteries are the key to electric vehicle technology. Research on powe...[Details]
The overall operating performance of an electric car depends first on its battery system and motor drive system. The drive system of an electric car is generally composed of three main parts: a con...[Details]