This site uses a common anode LED digital tube, and the common anode means that the 7-segment display code shares the positive power supply. Principle diagram:As can be seen from the above figure, if ...
[i=s] This post was last edited by paulhyde on 2014-9-15 08:58 [/i] 1. Stopwatch for time limit 2. 2-meter tape measure for measuring distance and specified distance 3. Photoelectric sensor for tracki...
First of all, let me explain my intention. I want to hook the keyboard interrupt (0x31), but I heard that the interrupt vectors of keyboards are different in different Windows systems. Is there any wa...
I accidentally saw GigaDevice's new GD32F470xx series. The MCU in this series has TFT and network port, which means it is benchmarked against the advanced models of NXP and ST. NXP LPC1788 is the core...
When debugging the zigbee module, I encountered a high packet loss rate in the communication between zigbee modules. This zigbee module is a dual-channel 780Mzigbee. The packet loss rate on the front ...
[i=s]This post was last edited by paulhyde on 2014-9-15 03:44[/i] I would like to ask, is the speed displayed on the internal display screen of our motor vehicle displayed at all times? How is the spe...
0. Introduction
In daily life, we often see some special-purpose vehicles. When these vehicles pass through intersections, they often obtain the right of way at intersections by temporarily op...[Details]
Due to the significant increase in electronic devices in automotive and industrial applications, the automotive and industrial markets continue to play an important role in China's electronics in...[Details]
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[Details]
1. Principle of displacement angle sensor
The angle sensor is used to detect angles. It has a hole in its body that fits the LEGO axle. When connected to the RCX, the angle sensor counts once ...[Details]
Capacitors
are basic components in various electronic devices and are widely used for bypassing, coupling,
filtering
, tuning, etc. in electronic circuits. However, to use capacitors,...[Details]
According to the Industrial Technology Research Institute of Taiwan, due to factors such as the oil crisis and global warming, the issues of energy conservation and environmental protection have at...[Details]
Abstract: The output of high-range acceleration sensor is less than 10 mV under the excitation of small signal. The noise of traditional test system may cover such small voltage signal, so that hig...[Details]
Corelink Semiconductor has launched the CL1100-based 5-7W E27 LED lighting driver system solution DB2. This driver module meets the requirements of small size (L×W×H=5.1cm×2.1cm×1.8cm), low standby...[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]
Overview
By transmitting ultrasonic energy into the human body and receiving and processing the returning reflected signals, phased array ultrasound systems can generate images of organs and s...[Details]
A few days ago, I bought an 8LED flashlight in the market (the flashlight uses No. 5 batteries). Because I had other things to do, I didn't pay attention when purchasing it. When I got home and use...[Details]
LED is now known as the fourth generation of light sources. High-power LED has many advantages over traditional light sources in outdoor lighting.
1 LED lamps have high light efficiency
C...[Details]
The future energy storage hotspot is not coal or iron ore, but lithium. This lightest metal in nature may be the heaviest resource in the future energy landscape. China launched an ambitious electr...[Details]
This article focuses on closing the feedback loop of an isolated power supply using a TL431 shunt regulator. The article discusses a method to extend the bandwidth of the power supply control loop ...[Details]