[size=5][color=#ff0000]It is almost the Spring Festival holiday. Every year, year-end bonuses are distributed. Let's discuss the year-end bonus. [/color][/size] [size=4][color=#ff0000]1. How much did ...
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 19:56[/i]News Events:Intel is accelerating its layout in the mobile phone market and is negotiating to acquire Infineon's mobile phone chi...
When I insmod a driver, it should print a message, such as: insmod ok. However, when I insmod, there is no prompt, no error message, and no correct answer. I also cannot find my device number in proc/...
Today I built a TL714 comparator circuit, which is the simplest type of direct comparison. I have input the corresponding common-mode voltage according to the manual, and the amplitude is greater than...
I am using ILI9325, eight-bit data mode, the development board is EMSTM32V100, RS, CS, WR, RD are connected to PE0, PE1, PE2, PE3 respectively, and the eight-bit data port is connected to PD0-7; The f...
introduction
With the continuous optimization of surface mount technology (SMT) and the rapid development of chip component manufacturing technology, the application of chip mounters in the el...[Details]
1. Introduction
Automobile pollution is one of the most important issues that people are most concerned about and need to solve urgently. As an important method for detecting automobile exhau...[Details]
China's new energy vehicles are in a transition period from research and development to real industrial development. In 2012, with the intensive launch of new energy vehicle policy planning, the de...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
This paper establishes a fuel cell engine test platform based on the NI integrated hardware and software environment. This platform can realize the test and control of fuel cell engines and their a...[Details]
A standard cell
is an electrochemical
cell
used as a voltage reference standard in many electrical standards laboratories
. If properly maintained, standard cells are very stable. The ...[Details]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[Details]
Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[Details]
LED lighting: Basic circuit design can be completed in as little as one day
Semiconductor manufacturers are also getting involved in the LED lighting business. The power circuit of LED req...[Details]
With the rapid development of cities and the improvement of citizens' living standards, the number of various vehicles in cities is growing, and the demand for parking spaces in major commercial an...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]
The ARINC429 bus is one of the most commonly used communication buses between various subsystems of avionics. As the "skeleton" of modern avionics systems, once the bus system or the attached airbo...[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]
1 Overview
In the field of traditional lighting, the concepts and definitions of lamps and lamps are clear. Lamps and lamps have their own applicable product standards, supporting technical st...[Details]
Electric bicycles have long been a means of transportation for lower-income groups due to their affordability. The largest concentrated expense in the use of electric vehicles is the cost of replac...[Details]