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...
Abstract:
With the increasing complexity of smart vehicle electrical and electronic architectures, the full lifecycle management of vehicle electronic control components faces multiple challe...[Details]
The mass production process of the new generation of cockpit platform has started, and the smart cockpit market has entered a new bonus cycle of technology iteration and platform upgrade.
...[Details]
Electric motors and internal combustion engines of the same power have similar torque levels. High power requires high torque, and torque determines a vehicle's acceleration speed, commonly known a...[Details]
White light LEDs are voltage-sensitive devices. In actual operation, their upper limit is 20mA. However, the current often increases due to various reasons during use. If no protective measures are...[Details]
The Automotive Testing and Quality Assurance Expo (ATE 2025) will open on August 27th. At the expo, Rohde & Schwarz (R&S) will showcase six automotive testing solutions, themed "Intelligently Drivi...[Details]
introduction
Sonar imaging is of great significance in marine resource development and defense. Its long range, intuitive display of the observed area, and target identification make it widely...[Details]
1. Fault phenomenon and cause analysis
1. During the operation of the equipment, the expansion sleeve is subjected to a large torque, and the mating surfaces of the shaft and the sleeve move...[Details]
According to foreign media reports, Ford Motor has applied to the U.S. Patent and Social Security Office (USPTO) for a patent for a door anti-collision system that may be used in future Ford vehicl...[Details]
In the field of communications power supplies, AC/DC rectifier power supplies are called primary power supplies or basic power supplies, while DC/DC converters are called secondary power supplies. ...[Details]
With the advancement of science and technology and the promotion of green, energy-saving, and circular development, the demand for precise control and accurate measurement is increasing. In the pow...[Details]
On August 21, it was reported that Intel's new generation of AI chip Jaguar Shores was recently exposed for the first time.
According to photos shared by Andreas Schilling, the Jaguar Shores t...[Details]
Wearable technology is taking off, with applications evolving rapidly, from smartwatches to fitness trackers and even smart wigs! Bluetooth Smart is at the center of this revolution. This is the se...[Details]
The composition of the water heater
The water heater itself is divided into the following parts:
1. Water tank.
This is where the water heater is filled with water and where the wate...[Details]
01. Introduction
As in-vehicle networks migrate from the CAN
bus
to
Ethernet
, traditional millisecond-level synchronization accuracy can no longer meet the requirements of mul...[Details]
Driven by business opportunities such as access to new markets and government initiatives like the Belt and Road Initiative, global expansion has become a significant trend for Chinese companies. C...[Details]
Microcontroller MCU
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