I have designed a board, and I use the internal LCD controller to control the segment LCD display. I don't know why the display is always affected, and the parts that shouldn't be bright are also dim....
TL431 (as shown in Figure 1) is one of the most commonly used three-terminal adjustable current reference sources. It has good thermal stability and high cost performance. It is widely used in op amp ...
Platform: 44b0 Debugging software: Codewarrior for ARM 1.2 (Because U-BOOT was burned, I set the initial address to 0x0c008000) Online debugger: J-LINK Project includes files: Init.s, Main.c Init.s: I...
The main functions are as follows:
1. With Chinese display
2. It has an alarm clock function, which is completely realized by using a 51 timer without using a clock chip. After long-term calibration, ...
I changed the size of dwmmc fifio in the device tree, but the speed didn't change. It's still 4MB/s. I hope it can reach 1(X)MB/s under Linux. Is there any better solution? Thanks!!...
[size=14px]Why do you want to play with Qinheng's microcontroller? [/size][size=14px] [/size][size=14px] 1. Impression of Qinheng [/size] [size=14px] First of all, the CH340 in the serial port debuggi...
Dual-mode inverters can operate both in conjunction with the grid and independently. These inverters can inject excess energy from renewable energy and storage devices into the grid, and withdraw p...[Details]
Most of the houses we live in now are elevator buildings, mainly because it is more convenient to go up and down the stairs! It can also make life more comfortable. It even helps to increase the ad...[Details]
Some time ago, I attended the 4th Energy Chemistry Forum of the Chinese Chemical Society and learned about high-energy-density and high-safety batteries. I would like to summarize and share this wi...[Details]
Current Development Status of DVR Market
A DVR, or digital video recorder, uses a hard disk for recording, unlike traditional analog video recorders. It's often called a DVR because it's a com...[Details]
Multi-touch mobile phone
Multi-touch is a system that can respond to multiple touches on the screen at the same time. Multi-touch phones are divided into capacitive and resistive types. Capaci...[Details]
summary
There are multiple approaches to making industrial systems more intelligent, including applying artificial intelligence (AI) technology at the edge and in the cloud to sensor...[Details]
For healthcare professionals, accurate diagnosis and treatment are crucial for a clear picture of a person's health. However, healthcare professionals often rely on tests at medical facilities, cli...[Details]
Amidst the wave of intelligent automotive transformation, advanced driver assistance is gradually emerging from cutting-edge technology into the mainstream, becoming a new frontier of industry comp...[Details]
Gross profit margin jumped from 13.6% in the first half of last year to 25.9%, almost doubling year-on-year.
On August 21, RoboSense released its interim performance report, in which the...[Details]
On August 22, South Korean media Nate reported on the 20th local time that Samsung Electronics is introducing Hyper Cell technology into its most advanced 2nm process technology, striving to improv...[Details]
On August 22, according to the Ministry of Industry and Information Technology's official website, my country's first mandatory national standard for the control of hazardous substances in electric...[Details]
Tires are a very important component for cars. They are related to the driving experience of the vehicle. We are almost inseparable from cars in our daily lives. For tires, according to the role of...[Details]
Charging is a familiar process for new energy vehicles, and as a source of battery energy, charging piles are crucial. New energy vehicle charging can be divided into fast charging and slow chargin...[Details]
1. Multi-channel DAC technology bottleneck
Currently,
the development of multi-channel DAC technology focuses on two core challenges.
First, industrial applications urgently ...[Details]
PowiGaN achieves 95% efficiency at both light and full loads, meeting critical operational and safety requirements.
DARWIN, Australia and SAN JOSE, Calif.,
August 22, 2025 – Powe...[Details]