Telecommunications Law and Telecommunications Network Interconnection 2006-7-17Since the telecommunications industry broke the monopoly and introduced competition, the issue of interconnection has att...
I wrote a timer interrupt function and wrote AD sampling in the timer interrupt. As a result, I could not get the correct AD value. The timing time was 0.1ms.
I use dsp2806, the system clock is 50MHz,...
[table=98%] [tr][td]1. Design the image content to be displayed, the graphic content is a smiley face 2. The display mode is designed to move left and right, up and down 3. Realize the zooming in and ...
I saw a schematic diagram of a microchip board as follows. What software was used to draw it? It shouldn't be a 3D preview. I have never seen a preview view with such a large screen....
I wonder how many friends have already got SensorTag? Today, let's talk about SensorTag's OAD (Over the Air Download) wireless download and upgrade firmware function. Everyone knows that microcontroll...
Yesterday, a colleague shared a picture, which roughly meant that because of the shortage of chips, everyone started to redesign the products that have been used for the past decade.
Is your company g...
Electric vehicles are becoming increasingly popular, with increasingly longer ranges. There are two ways to charge electric vehicles: slow charging and fast charging. Which is the most suitable? Sl...[Details]
Based on the commutation technology, thyristor rectifiers are classified into two main types. Line-commutated and force-commutated inverters are commonly used, while other commutated inverters, nam...[Details]
A human-machine interface (HMI) refers to the platform used by people to operate a PLC. This platform provides an interface between programs and humans, serving as a medium for information transmis...[Details]
Consumer demand for premium listening experiences has driven rapid evolution in the wireless headphone market in recent years. Hybrid designs, which utilize two drivers per earbud to enhance sound ...[Details]
The Waveshare ESP32-P4-ETH is a compact ESP32-P4 development board with Ethernet and PoE support. It looks very similar to the Olimex ESP32-P4-DevKit, minus the pUEXT connector. However, we've also...[Details]
As the power density of modern electronic systems continues to increase, effective thermal management has become critical to ensuring system performance, reliability, and longevity—especially in hi...[Details]
1. Static Balance
Static balancing is performed on one correction surface of the rotor. The remaining unbalance after correction is used to ensure that the rotor is within the specified range ...[Details]
introduction
Commercial air conditioner PCBs involve both high-voltage and low-voltage power. The power supply for commercial air conditioners often passes through the controller. This forces ...[Details]
Sometimes an IAR project is closed abnormally. When you open the IAR project again, the project will not be displayed in the Workspace column, as shown in the following figure:
C...[Details]
On August 10th, Ni Guangnan, an academician of the Chinese Academy of Engineering,
stated at the
2025 World
Robotics
Conference that
artificial intelligence
is currently
leading profo...[Details]
Ever since smartphones became popular, their battery life has become a major concern. Although current phones often have large batteries of 3,000 to 4,000 mAh, heavy users still have to charge thei...[Details]
A speaker box, also known as a loudspeaker enclosure, combines high, mid, and low-frequency speakers within a specially designed enclosure. A crossover network routes high, mid, and low-frequency s...[Details]
The device is space-saving, with a footprint of only 4 mm x 4 mm, is sealed to IP67 and operates at temperatures up to +140°C.
MALVERN, Pennsylvania, USA and SHANGHAI, China – August...[Details]
Today's data storage is no longer as simple as just putting data in a chassis. Storage devices are constantly evolving. Hardware-wise, there's the competitive landscape of NAS and SAN, as well as h...[Details]