Looking for RF wake-up solution, 125KHz low frequency or high frequency is fine, as long as it can wake up. Wake-up distance <1.2m; antenna area is about 1.2mX1.2m; if you have a solution, please cont...
MCLK represents the CPU operation and system clock. 430 executes a simple instruction in one clock cycle. Why does it take the same time to execute the same code when MCLK=REFOCLK (32768HZ) and MCLK=X...
[i=s] This post was last edited by electrics on 2016-9-26 00:33 [/i] while(1) { if(((TIM2->SR&0X0001)==1)&&((TIM2->CCER & 0X0002)==0X0002)) //Falling edge trigger and judgment is reaching the maximum ...
Single-choice questions 1. The transmission mode in which the microprocessor only starts the peripherals without intervening in the transmission process is _________ mode. A. Interrupt B. DMA C. Query...
Abstract: This paper introduces the main features, working principle and interface technology of DS2480B UART/RS232 to single bus protocol converter, and specifically explains the application of DS248...
Fresh graduates with or without work experience are welcome. Fresh graduates from 211 engineering schools are required. Send your resume to jandywang@wo.com.cn . The company's development and personal...
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]
introduction
For the voltage regulator modules (VRMs) that power the latest computer central processing units (CPUs), power supply designers have historically used multiphase interleaved b...[Details]
I. Introduction
In the field of power conversion, isolated converters (forward, flyback, and double-ended) with low output DC voltage all use MOSFET as the rectifier device. Since these devi...[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]
In the previous series, we have listed some basic knowledge of C language in Tables 1 to 3. We hope that beginners can strengthen their memory of the above tables and gradually learn to use them wh...[Details]
AD8205 is
a single-supply high-performance differential
amplifier
launched by
Analog
Devices of the United States
. The typical single-supply voltage is 5V, and its common-mode volta...[Details]
1 Introduction
Intelligent control instruments are one of the most commonly used controllers in industrial control. They are mainly aimed at a specific parameter (such as pressure, tempera...[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]
With the widespread application of new services and technologies in the communications industry, the scale and capacity of operators' network construction are getting larger and larger, and the ris...[Details]
The power supply is the core component of a computer. Although it is not of high value, all computer components rely on the switching power adapter to provide energy, so the stability of a power su...[Details]
Don’t just look at the power when choosing a power supply
We know that a power supply with a low rated power can hardly meet the power supply needs of the system, which may cause frequent free...[Details]
Current
measurement:
Magnetic balance Hall current
sensor
is used
. The sensor can measure AC from DC to 100kHz.
In automatic measurement and control systems, it is often nec...[Details]
1 Introduction
The stepper motor is an actuator of an open-loop servo motion system, which is controlled in a pulse mode and outputs angular displacement. Compared with AC servo motors and DC servo ...[Details]
In the development direction of the automotive industry, electric vehicles (EV) and hybrid electric vehicles (HEV) are becoming an obvious trend. From a technical point of view, hybrid power is mor...[Details]
In the 1980s, breakthroughs were made in the design and production of small, low-power quartz metal halide lamps with precise dimensions. At the same time, with the acceleration of people's lives a...[Details]
RF/Wirelessly
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