Has anyone written the driver code for an SD card? The driver code I saw in the example program of the STM32 development board is more than 3,000 lines long, and the initialization and operation proce...
This book is printed in two colors with pictures and texts, and mainly explains the practical knowledge points of dozens of categories and hundreds of components, such as resistors, capacitors, induct...
Basic Electronics Knowledge - Capacitors 1. Capacitors are generally represented by "C" plus numbers in circuits (such as C25 represents a capacitor numbered 25). Capacitors are components composed of...
TrustFLEX security element is a pre-configured device that can use Microchip's security services. It not only saves costs, but also reduces risks and prevents keys from being exposed to software or th...
Infrared thermal imaging cameras can be used in many fields such as scientific research, electrical equipment, electromechanical equipment, R&D quality control, construction, military and security. H...[Details]
When discussing the RC spike absorption problem of the secondary-side rectifier diode of Flyback, it is better to use RCD absorption than RC absorption to deal with such spike problems. With RCD abso...[Details]
With the continuous development of automobile intelligence and autonomous driving technology, more and more suppliers are beginning to want to take off the traditional hat of "parts manufacturers" an...[Details]
Edge computing systems require compact programmable devices with low power consumption and a small heat area, which can eliminate the use of fans and other heat dissipation devices while having power...[Details]
Today, when we are vigorously advocating energy conservation and emission reduction and pursuing high-quality life, the shortcomings of winter heating systems are becoming increasingly apparent. Mo...[Details]
1 Introduction
Electronic products generally have strict requirements for operating temperature. Excessive temperature rise inside the power supply equipment will cause failure of temperatur...[Details]
Introduction For much of the 20th century, electric utility meter readers recorded electricity usage by going door-to-door and reading electromechanical counters on electric meters. Return to the ...[Details]
0 Introduction
In the field of speech coding, with the huge increase in the amount of information such as transmission, processing, and storage, information compression processing has become...[Details]
Nowadays, as people's consumption patterns become more diversified, e-commerce transactions are developing at a faster pace, and logistics must follow suit. In pursuit of higher efficiency and lower ...[Details]
According to nokiapoweruser, Nokia XR21 5G, Nokia X21 5G and Nokia X11 5G smartphones will be launched in the second half of 2022. Sources revealed that Nokia Mobile plans to launch a number o...[Details]
Sina Digital News reported on the afternoon of November 5 that the image quality assessment company DXOMARK announced a new benchmark for testing the sound quality of wireless speakers - DXOMAR...[Details]
The on state of mode B is shown in Figure (a): switch S2 is closed, switch S1 and diodes D1 and D2 are not conducting. At this time, under the action of voltage V2, the current iL2 of inductor L2 inc...[Details]
1. Nandflash operation principle The following figure is the connection diagram of NandFlash and S3C2440 in the schematic diagram. Q1. There is only a data line between NAND FLASH and S3C2440 on th...[Details]
The high-frequency oscillation signal from the IF output of the TV's high-frequency head is used as the signal source. The high-frequency head itself has a very stable oscillation frequency, and an...[Details]
Since the beginning of this year, the construction of key projects in our county has been forging ahead, seizing the golden period of construction, setting off a full-scale boom, accelerating project ...[Details]
Integrated technical exchanges
京公网安备 11010802033920号
EEWORLD
