[i=s]This post was last edited by zjw5000 on 2014-10-9 11:38[/i] R7FC08212 microcontroller activity, and 2 PCBs were made and 2 solutions were submitted [url=https://bbs.eeworld.com.cn/thread-447874-1...
[size=5]I recently designed an LC bandpass filter with a center frequency of 400MHz and a bandwidth of 120MHz. Both ADS and Gensys can generate relatively ideal models, but when I bring the actual ind...
The requirement is to input 4 buttons and output 4 LEDs. The first button controls the first LED. Press once to light up the LED, and press again to turn it off. The second and third buttons control t...
[i=s] This post was last edited by Lss丶学徒 on 2017-7-24 16:59 [/i] I have a friend who makes some smart meters. He thinks the current cost price of the STM8S005C6T6 chip is too high. He wants me to hel...
——Introducing the practical application of the concept of "lighting on demand"
In recent years, the number of underground parking lots in high-rise buildings, commercial centers, and government agenci...
Portable devices usually have a built-in battery. When plugged in, they are powered by USB, and when unplugged, they are powered by the battery. The input usually has a voltage required by the DCDC co...
Today's portable medical devices allow patients to diagnose and treat themselves, move around freely, and even use the devices when they are out and about. To achieve the "easy to carry" feature, po...[Details]
Overview
PS pressure sensor is an electronic pressure sensor made of semiconductor diaphragm structure. It can convert the physical quantity of air pressure into electrical signals and detect ...[Details]
A biped robot joint constructed by pneumatic artificial muscles is introduced. The joint uses the flexible characteristics of pneumatic artificial muscles to effectively control the impact of the la...[Details]
Designers of hearing aids have stringent requirements. Hearing aids must be small enough to fit in or behind the ear, operate on ultra-low power, and be free of noise or distortion. To meet these requ...[Details]
The 21st century is the century of life and health. The rapid progress of life sciences continues to promote human understanding of their own health and diseases. How to develop innovative medical ele...[Details]
This issue will briefly introduce the test related to spectrum - occupied bandwidth.
Definition: Occupied bandwidth refers to the bandwidth corresponding to 99% of the total transmitted power, cent...[Details]
Lithium-ion batteries have a high energy-to-weight and energy-to-volume ratio, no memory effect, can be recharged many times, have a long service life, and are becoming increasingly cheaper. A good...[Details]
introduction
Cars are becoming an indispensable part of people's lives. However, what worries car users is that the theft of cars is increasing year by year. This paper aims to design a conven...[Details]
introduction
When we run or ride a bicycle, the vibration of our arms often makes the images displayed on the electronic devices in our hands look blurry. Long-term viewing (such as watchi...[Details]
Introduction
Wireless operators are driving demand for broadband and data rates by offering enhanced data services to increase average revenue per user (ARPU). The need to provide users with ...[Details]
According to In-Stat/MDR, the number of mobile phones with Bluetooth capabilities will reach at least 300 million by 2005. One of the clear evidences of the increasing adoption of Bluetooth is that...[Details]
Two doctors in Chennai, a major technology city in southern India, have developed a generator installed in the high heels. The generator generates weak electricity through the vibration and pressure o...[Details]
1. Basic circuit characteristics of power amplifier
The basic circuit of the complementary symmetrical OTL power amplifier is shown in Figure ①. Among them: C1 is the signal input coupling ele...[Details]
introduction
Image compression technology is becoming more and more important in modern life. With the improvement of data processing speed of DSP, a single-chip DSP can achieve good results...[Details]
Abstract: This paper uses the S3C2410 chip GX development board with ARM920T core as the hardware platform and Windows CE operating system to design an embedded system touch screen interactive func...[Details]