I have been in contact with Zigbee for more than two months. I bought two boards on Taobao and did experiments according to the information provided by the store owner. But now I need to use sensors a...
[font=宋体][size=14pt]According to the relevant provisions of the National Undergraduate Electronic Design Competition Regulations, the Notice on Organizing the 2009 National Undergraduate Electronic De...
[i=s]This post was last edited by cl17726 on 2017-6-2 12:27[/i] Xianyu Trading:[url=https://2.taobao.com/item.htm?id=552336161377]https://2.taobao.com/item.htm?id=552336161377[/url] In fact, such a hi...
Well... Actually, this is part of an unfinished work... Because I'm too busy at work, I'll take my time. Let me share a small part first. That's today's theme, a large flash. First, let's talk about t...
[i=s]This post was last edited by youxinweizhi on 2018-8-21 10:54[/i] Without further ado, here are the before and after pictures;[b][color=#5E7384]This content was originally created by [size=3]youxi...
In order to prevent traffic accidents, when the intelligent detection device of the car detects danger ahead, it must send a warning message to the driver. The voice alarm clearly reminds the drive...[Details]
This article discusses how to use an ultra-low-power RF transceiver chip from Zarlink Semiconductor for pacemakers, neurostimulators, drug pumps, and other such implantable medical devices to achiev...[Details]
Medical and industrial applications often require isolation voltages of 2500Vac or higher for patient and equipment operator safety. The isolation barrier must not only transmit power to the sensin...[Details]
In some warehousing management, manufacturing, meteorological observation, scientific research and daily life, the requirements for temperature and humidity are common. For example, the "Interim Pr...[Details]
To help improve DC/DC conversion efficiency at lighter loads and higher frequencies, Schottky diodes can be integrated into MOSFET chips to form a single package to reduce power dissipation in the ...[Details]
There are many ways to attenuate signals. The most commonly used method is to divide the voltage using resistors. The common circuits are as follows:
Oscilloscope pre-stage attenuation c...[Details]
Multi-parameter monitor is an important device in clinical nursing. It can monitor the patient's ECG, blood pressure, blood oxygen saturation, respiratory rate, pulse rate and temperature. At present,...[Details]
introduction
The data detected by various
measuring instruments
often need to be transferred to a PC for data processing and archiving, so as to make full use of the rich hardware an...[Details]
Multiple Input and Multiple Output (MIMO) technology is arguably the next most important development in wireless communication technology since the advent of digital communications. Many new wir...[Details]
CVC5.0 (CSR recently announced the fifth generation of clear voice capture technology) is the only solution on the market that provides advanced audio enhancement and noise suppression to both the ...[Details]
1 Introduction
Digital video is the use of video capture devices such as cameras to collect external image information and digitize the image information, and then record it to storage med...[Details]
Advances in 3D semiconductor packaging technologies have enabled the form and functionality of many of the products we use every day, such as mobile phones, personal entertainment devices, and flas...[Details]
0 Introduction
High-frequency switching power supplies have been widely used in the communication and low-voltage industries, and have gradually been used in power systems, due to their ad...[Details]
1 Introduction
With the continuous development and improvement of digital technology, digital image processing technology has been widely used in industry, military, biomedicine, telecom...[Details]
S3C44B0X is a cost-effective microprocessor launched by Samsung for embedded systems. It is a 16/32-bit RISC processor based on the ARM7TDMI core and has a main frequency of 66MHz. In order to redu...[Details]
RF/Wirelessly
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