These days, in my child’s extracurricular math study group, the teacher no longer sends geometry, combinatorics, number theory, or application questions, but instead sends series questions every day.
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At present, the deployment of three types of 3G networks of three domestic operators has been basically completed, and large-scale commercial trials and tests have begun. Moreover, the number of users...
Please tell me how to solve this problem static void task4(void *p_arg) { float T; OS_CPU_SR cpu_sr; while(1) { OS_ENTER_CRITICAL(); T=Get_Temperature();//Start collecting temperature OS_EXIT_CRITICAL...
I want to use MSP430 to drive a 7-inch TFT color screen. I use the LM1117-3.3 voltage regulator chip. Two LM1117-3.3 are connected in parallel. The working current is about 0.5A. Now the problem is th...
English is probably a pain for many people, but it seems that we can't live without it. I wonder how good are the English levels of all the engineers? Can you speak? Can you listen? Can you write? Can...
Since I applied for the development board, I have completed seven or eight articles. I have listed them together for your reference.Apply for LM3S8962 development boardMainly talk about the projects t...
High efficiency and low standby power consumption are two major challenges in today's switching power supply design. Resonant topology or LLC topology is becoming increasingly popular because it ca...[Details]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[Details]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[Details]
With the development and widespread application of computer technology, especially in the field of industrial control, computer communication is particularly important. Although serial communication g...[Details]
I. Introduction
Since RS232 has a short communication distance (only 15 meters according to EAT/TAI-232 standard), and can only perform point-to-point communication, it cannot directly f...[Details]
Digital array radar (DAR) uses digital beam forming (DBF) in both receiving and transmitting modes to achieve flexible distribution and reception of RF signal power in the airspace, obtain excellent t...[Details]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
TC9012F is a universal CMOS large-scale integrated circuit for infrared remote control signal transmission, suitable for remote control of TV, VTR, laser player and other equipment. In the market, ...[Details]
introduction
MEMS is a high-tech that has flourished on the basis of integrated circuit production technology and dedicated micro-electromechanical processing methods. Pressure sensors develop...[Details]
With concerns about the growing energy crisis, motor efficiency has become an important and timely topic. This is because motors use 63% to 70% of the electricity produced in the United States and ...[Details]
LED guardrail lights use fluorescent tubes or LEDs as light sources and continuous guardrails as carriers to form an approximately linear guardrail light strip. This article mainly introduces...[Details]
Only a small number of LED manufacturers can produce high-quality LEDs. For applications that are only used for simple indication, low-quality LEDs are sufficient. However, high-quality LEDs must...[Details]
1. Introduction
With the increasing popularity of fully automatic washing machines, consumers have higher and higher requirements for their environmenta...[Details]