Yijingyuan Optoelectronics is a well-known brand in China's LED packaging industry. It specializes in providing a full range of LED components in various varieties. The products have independent intellectual property rights, and all performance indicators are at the leading level in the industry. It has first-class production and testing equipment represented by K&S, ASM, etc. All products meet ROHS requirements and have passed ISO9001/IATF16949 and other system certifications. The products are mainly sold in more than 20 provinces and cities in China and more than 10 countries in Southeast Asia, Europe and the United States. Yijingyuan has always put quality and reputation first, attaches great importance to the research and development of new products and the application of new technologies, and provides reliable guarantees for ultimately achieving customer goals and creating value for customers.
Fortunately, I got the opportunity to evaluate eeworld's development board.
This time I applied for a development board from the German company PHYTEC:
First look at the unboxing:
The box contains net...
OpenCV 3 with Python 3 Tutorial：https://training.eeworld.com.cn/course/5221Learn OpenCV 3. Become a Pro in Image Processing and Computer Vision.Welcome to my OpenCV Tutorial. In this tutorial, we will...
The long-awaited detailed disassembly of the iFixit iMac Pro is finally here. This time, iFixit got a low-end version of the iMac Pro worth $4,999. Compared with the iMac, the biggest difference betwe...
1. Introduction
Let's skim through the NFC function first and write a simple function, the status light and mode switching. Why do we need a status light? It's because the [RSL10-SENSE-GEVK] board is ...
w494143467onsemi and Avnet IoT Innovation Design Competition
I recently bought a HUB on Taobao. The merchant showed it as a HUB3.0 expansion dock. After testing, I found that it could not measure 3.0 data. After disassembling it, I was able to reveal its true a...
Solenoid valve control circuit : In order to intelligently realize the function of monitoring the gas concentration in the mine anytime and anywhere, the main control chip CC2430 adopts fuzzy PID ...[Details]
1 System overall structure and function The solar cell performance test system consists of two parts: hardware structure and measurement and control software. The hardware structure mainly include...[Details]
Introduction
Today’s high reliability systems require complex digital power management solutions to sequence, monitor, monitor, and margin a large number of voltage rails. Indeed, it is n...[Details]
The selection of power supplies is an old topic. For users who often pay attention to computer information, choosing a power supply is no longer a difficult task. For general computer users, even if ...[Details]
With the widespread application of integrated circuits and embedded computers in automobiles, the number of electronic controllers in modern automobiles is increasing. Common ones include electronic ...[Details]
This paper introduces the basic working principle of liquid crystal display (LCD) and the built-in LCD controller of Intel Xscale PXA270. The hardware circuit of PXA270 and LCD module is designed...[Details]
Maxim's MAX7219 chip is used for dynamic scanning display driver. The chip has 8x8 static RAM, dynamic scanning circuit, and segment and bit drivers that can store display information. It is connec...[Details]
A Beginner's Guide to onsemi Design Tools
Getting Started with ON Semiconductor Design Tools
When it comes to system-level design, development tools are just as important as...[Details]
The RT9911 is a complete power supply solution for digital cameras and other handheld devices. It integrates a selectable step-up/step-down DC-DC converter, a high efficiency step-down DC-DC conver...[Details]
Electrolytic capacitors will leak over time. The circuit shown in the attached image allows you to test the leakage of capacitors and decide whether they are worth using. You can suppress leakage b...[Details]
IGBT has large turn-off loss; tailing is a serious obstacle to high-frequency application. This problem consists of two aspects: 1) The problem of charge storage in the base region of GTR, the do...[Details]
As a DIYer, it is very necessary to have a reliable voltage stabilizer. However, as an advanced DIYer, a voltage stabilizer that can be easily purchased from the electronics market is obviously not s...[Details]
There are many methods for testing the stability of general power supplies . In the development of the 220 kV field emission gun transmission electron microscope, the stability of the coil consta...[Details]
This article analyzes the internal design of UPS, the availability of UPS system and power distribution system, and provides ideas for improving the availability of UPS power system. The analysis...[Details]
Most lighting designers believe that all
LED
products are of the same quality. However, there are many manufacturers and suppliers of LEDs, and Asian manufacturers supply low-cost LEDs to...[Details]
Toshiba Photorelays TLP3547 Review
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