Performance TestingCoremarkCoreMark is a benchmark for measuring the performance of central processing units (CPUs) used in embedded systems. It was developed in 2009 by Shay Gal-on of EEMBC and is in...
As shown in the figure, LDOs are U2/RT9013-3.3 and U3/RT9013-1.85.MCU is STM32L486, VDD supply range is 1.71V~3.6V, main frequency is 80Mhz, Iout = 8mA.Power supply is polymer lithium battery, rated o...
This is a textbook experiment. This experiment will generate a 1KHZ signal for 0.1S, stop for 0.1S, then generate a 1KHZ signal for 0.1S, stop for 0.5S, and then execute #include from the beginning.
s...
Sino-American Ai*ti* Technology, .NET Foreign Enterprise Software Engineer Class will start on September 10, 2007. The first week of the course is free for trial. Welcome to sign up! Sino-American Ai*...
Dear experts, the figure below is a feedback signal circuit of a car turn signal. The purpose is to lower the voltage at the P terminal. What is the function of the Q2 transistor, and how is the resis...
Long ago, the lifespan of cars in my country was 15 years. Once a car reached 15 years old, it was forced to be scrapped. However, the policy was later changed. As long as the car does not exceed 6...[Details]
As time goes by, people are increasingly concerned about their own and their families' health. However, existing monitoring devices for individual vital signs have struggled to gain market share du...[Details]
Chinese characters are extensive and profound, and there are many different names for ESD tubes. How many of them do you know?
As far as I know, ESD diodes are currently known as ESD p...[Details]
The difference between a series inverter and a parallel inverter is that they use different oscillation circuits. A series inverter connects L, R, and C in series, while a parallel inverter connect...[Details]
With the increasing popularity of automated equipment, linear modules, a common auxiliary device for automated equipment, have also seen a bright future. In particular, in recent years, many small ...[Details]
Electric vehicles will revolutionize transportation, changing fuel consumption, carbon emissions, costs, maintenance, and driving habits. Currently, a major selling point for electric vehicles is t...[Details]
New version helps developers build secure and trustworthy embedded systems
Shanghai, China—August 21, 2025—
QNX, a division of BlackBerry Ltd., today announced the release of QNX...[Details]
introduction
With the development of society, people's requirements for the quality of refrigerated and frozen foods are constantly improving. The changes in food appearance and nutritional co...[Details]
The drive shaft is a high-speed, low-support rotating body, so its dynamic balance is crucial. Generally, drive shafts undergo dynamic balancing tests and adjustments on a balancing machine before ...[Details]
Electronics engineers all know that transient voltage suppression (TVS) diodes are used to protect ports, preventing damage to downstream circuits caused by transient voltage surges. In short, TVS ...[Details]
While aberration theory is a vast subject, a basic understanding of some fundamental concepts can make it easier to understand: spherical aberration, astigmatism, field curvature, and chromatic abe...[Details]
This article, part of Texas Instruments' "Power Supply Design Tips" series,
focuses on flyback converter design, discussing key design considerations for a 53VDC to 12V/5A continuous conduction...[Details]
Due to limitations in size, weight, and cost, most continuous-wave radar seekers use single-antenna technology. Insufficient isolation between the transmitter and receiver causes the transmitted si...[Details]
In the exhibition halls of the 2025 World
Robot
Conference (WRC), robots of all shapes and sizes competed for attention. As the hustle and bustle of this industry event gradually subsided, ...[Details]
Electric vehicles are structurally composed of three main components: batteries, motors, and electronic controls. Power is transmitted from the battery to the motor, which in turn drives the vehicl...[Details]