I am a beginner. Recently, I made a super-regenerative wireless receiving module according to the circuit diagram on the Internet, but I couldn’t receive any signal... I used an oscilloscope to measur...
Help: The SPI communication scheme between 430 microcontroller and TMS320VC5510 sets TMS320 as the host and 430 as the slave. TMS320 can correctly transmit the spi waveform, but the data received by 4...
Assuming the rated power is 100KW, three-phase 380V * 1.414 is calculated as 500V, 2 IGBTs form a half bridge, and the duty cycle of a single IGBT is 0.4, the actual current is calculated to be approx...
[i=s] This post was last edited by paulhyde on 2014-9-15 04:00 [/i] The two parts of Texas Instruments High-Performance Analog Devices in College Electronic Design and Quick Selection Guide need to be...
I have seen many people use IAR to generate executable .bin files. Why is the .bin file I generated using their method 700M? I am very depressed and don't know what is going on. In the Category output...
I used a 2440 development board bought from the market, equipped with a Sharp LQ121S1LG45 LCD and developed my own driver. I couldn't find the PDF document of Sharp LQ121S1LG45 online, I only found th...
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
Remote keyless entry (RKE) systems have become popular with users, with more than 80% of new cars in North America and more than 70% in Europe equipped with RKE systems. In addition to the obvious ...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
As LEDs continue to improve in almost every aspect of performance and cost, LED lighting is being used in an increasingly wide range of applications, among which LED street lights are a focus of in...[Details]
1. Overview
The Virtual CAN Interface (VCI) function library is an application program interface specifically provided for the use of ZLGCAN devices on PCs. The functions in the library ar...[Details]
1. Project Introduction
Shandong Dezhou Xingtai Paper Co., Ltd. is a newly built high-end paperboard production enterprise with domestic leading level established by Shandong Zhaodongfang Pape...[Details]
General LED lighting has a current limiting resistor in the driving circuit, and the power consumed by the resistor has nothing to do with the LED light emission. In order to improve efficiency, a...[Details]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[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]
The TPS92210 is a single-stage LED lighting pulse width modulation (PWM) controller. The TRIAC dimmable solution not only regulates the LED current, but also achieves a power factor close to 1. The...[Details]
D5026A is a driver IC designed by Shanghai Debei Electronics for energy-saving LED display screens. Its design concept is energy-saving and compatible with existing solutions, that is, it can be ...[Details]
Introduction
As the country increases its efforts to control the atmospheric environment, motorcycle emission regulations will become stricter year by year, and motorcycles that do not meet the...[Details]
1 Introduction to LED
With the development of science and technology, people have higher and higher requirements on automobile light sources. LED (Light Emitting Diode) has gradually attracted...[Details]
Car lights, whether headlights, fog lights or tail lights, play an important role in driving safety. However, the material of the car lights determines that the probability of damage in a collision...[Details]