My 12864 does not display after powering off and then on again. I have to touch any pin on the LCD with the meter probe, and then it displays normally. What is the reason? Please give me an answer. . ...
The code is as follows: NTSTATUS c2pDispatchRead( IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp ) { NTSTATUS status = STATUS_SUCCESS; PC2P_DEV_EXT devExt; PIO_STACK_LOCATION currentIrpStack; KEVENT wait...
The 5.0 kernel uses HIVE. I have posted the debug print information. Please help me find the reason. Thanks= ... g_oalSysInfo.pcicopyInfo.dwSysIntr=1c! Windows CE Kernel for ARM (Thumb Enabled) Built ...
The company recently bought a genuine copy, but after I installed it, I only got wiring and PCB, and the schematic drawing software disappeared. I went to the official website to download a 10G copy, ...
I am a student, and I chose to study servo motor motion control. I have already developed a simple and feasible S-type acceleration and deceleration curve algorithm, as well as another independent and...
In this seminar, we will introduce how TI AM2634-Q1 MCU can help engineers solve the design challenges of next-generation traction motor inverters and digital power control systems by seamlessly integ...
At present, the development of wireless power supply technology for electric vehicles (EVs) is becoming more and more active. In 2012, Volvo of Sweden established Volvo Technology Japan in Tokyo as...[Details]
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]
0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[Details]
Automotive applications are particularly sensitive to EMI events, which are unavoidable in a noisy electrical environment consisting of a central battery, bundled wiring harnesses, various inductiv...[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]
No matter which processor you are learning, the first thing you need to understand is the registers and working mode of the processor.
ARM has 37 registers, including 31 general registers and ...[Details]
In order to highlight the concept of "energy saving and environmental protection" of intelligent buildings, solar street lights are designed for intelligent communities. The inclination and capacit...[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]
Although it is relatively easy to check the stability of a simple amplifier at lower frequencies, it may be much more difficult to evaluate the stability of a more complex circuit. This artic...[Details]
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[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]
In today's body control module (BCM) designs, savvy engineers are moving away from electromechanical relays whenever possible. Their next step is to eliminate fuses. But is eliminating fuses a nece...[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]
At present, a large number of cooling tower fans, speed fans and special fans are in use in petroleum, chemical, pharmaceutical, metallurgical and other enterprises. Some fans have no monitoring in...[Details]