I have a question. I have a program that was previously completed in the ST Visual Develop environment. Now I have moved it to the IAR environment and compiled it. The following error is reported: I d...
[i=s] This post was last edited by paulhyde on 2014-9-15 09:14 [/i] Will the audio question this year include mic and amplifier? Find a document on how to select bias resistors for a mic...
[align=center][font=punctuation]It can be said that the current development of sensors is in a state of full blossoming in many fields. Its subdivided products are so numerous and complex that it is n...
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]
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]
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]
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]
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]
Quantum dots are a cutting-edge nanomaterial. Using quantum dot materials in backlight sources has four unique advantages:
1. Longer lifespan - Since mature inorganic materials are used, the f...[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]
Radio frequency (RF) testing is a critical step in embedded system development and verification, particularly in industries such as telecommunications, aerospace, automotive, and the Internet...[Details]
1. Mainstream Technologies in Fiber Optic Networks
1.1. New Fiber Optic Technologies
Fiber manufacturing technology is now largely mature and is now in mass production. Currently, singl...[Details]
Multi-touch sensing is an extension of capacitive sensing. Capacitive sensing makes touch technology more intuitive, enabling simultaneous detection of multiple fingers and gesture recognition. Thi...[Details]
With the rapid development of society and the advancement of technologies such as computer control, people have higher expectations for their living and working environments, resulting in an increa...[Details]
In the first half of 2025, the overall smart cockpit market showed a trend of market concentration among leading companies and the rise of local players. Data clearly outlines the industry's compet...[Details]
Preface
Portable electronic products are all powered by batteries. With the rapid development of portable devices, the use of various batteries has increased dramatically, and many new types o...[Details]
With the rise of smartphones, the demand for sound quality and compactness has become increasingly important. Noise suppression and echo cancellation technologies have been widely used in recent ye...[Details]