"Dating Spring" + Spring Scenery in Front of the Door
In the spring, the lutes turn yellow, and the ripe ones have already been eaten by the birds! The rest hang on the treetops.The bayberries are sti...
[i=s] This post was last edited by Feihong Haojie on 2016-12-9 14:33[/i] [size=5]The chip is RKNanoD, dual-core CM3, the platform seems to be ARDUINO, I don’t know how powerful it is[/size][p=28, null...
I can now record videos and save individual frames as images. I now want to save the videos to an SD card and call them back for review later. Is there any good way to do this?...
In the evening, I tried to find a topic I could write about the C standard library. However, I couldn't find one. Until after midnight. I decided to bite the bullet and talk about the limit library.Ho...
[i=s]This post was last edited by Peng Binghao on 2019-12-19 16:51[/i]Automatic counter attack keyboard
I like surfing the Internet. The Internet world is a world without smoke. To travel in the world...
Those who are confident in wearable devices believe that a variety of accessories from wristbands to glasses will change the way we use other devices. These accessories will enable new features and co...
1 Introduction
The high temperature tester is mainly used for temperature tracking measurement and data acquisition during the heating process. By systematically analyzing the test data, the...[Details]
0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
1 Introduction
As an emerging microfabrication technology, micro-electromechanical system (MEMS) technology has begun to be applied in various fields. It can integrate functions such as inform...[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]
I. Introduction
Since RS232 has a short communication distance (only 15 meters according to EAT/TAI-232 standard), and can only perform point-to-point communication, it cannot directly f...[Details]
Flooded Batteries
This battery developed in Germany can be used to power flashlights, strobe lights and toys as long as it is filled with water. This battery can be stored for 50 years and can...[Details]
Digital array radar (DAR) uses digital beam forming (DBF) in both receiving and transmitting modes to achieve flexible distribution and reception of RF signal power in the airspace, obtain excellent t...[Details]
12v Lead Acid batteries used in trucks, cars, RVs and uninterruptible power supplies are usually rated at 12V. This circuit monitors the battery, the charge and discharge curves, gives the cu...[Details]
TC9012F is a universal CMOS large-scale integrated circuit for infrared remote control signal transmission, suitable for remote control of TV, VTR, laser player and other equipment. In the market, ...[Details]
Introduction
Liquid crystal, as a display device, is widely used in low-power products such as instruments, meters, and electronic equipment with its unique advantages. In the past, the displ...[Details]
Today, with energy becoming increasingly scarce, the utilization of natural energy has become the focus of people's attention. Among various natural energies, the endless solar energy is highly fav...[Details]
1. Overview
At present, an information revolution is in the ascendant around the world, led by microelectronics, computers and communication technologies, and centered on information technolog...[Details]
1 Introduction
With the improvement of people's quality of life, lamps are no longer just basic indoor lighting tools, but also a kind of practical art for architectural decoration. When ther...[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]