[i=s]This post was last edited by zhang7309 on 2017-9-30 23:30[/i] I am very honored to be able to evaluate Qinheng's [size=3] Flash USB microcontroller with a unit price of 1.3 yuan. Thank you EEWORL...
I want to use a single chip microcomputer to control 500 communication lines. They don't need to communicate at the same time, just one at a time. How can I expand the IO? What chip do I need to expan...
[i=s]This post was last edited by mars4zhu on 2016-4-16 19:56[/i] [size=10.5000pt]Mouser[font=宋体]First purchase - [/font][font=Calibri]STM32F7-DISCO[/font][font=宋体] development board shopping record a...
1. Overview A new building with 40 floors is being built in a certain area. The building is a comprehensive office building with relatively high requirements for intelligence. The floors below 25 are ...
I tested the eeprom communication function using SPI. The data sending function was normal and the data waveform returned by eeprom was also correct, but I was unable to read the correct data. Attache...
I used the following 3 methods but none of them could import the system's built-in inftee.dll. 1. I used regsvr32.exe compiled with pb5.0, and then used regsvr32.exe inftee.dll. The system returned an...
Project Overview
The micro urine analyzer we designed can detect ten parameters of urine, including white blood cells, nitrite, urobilinogen, protein, pH value, occult blood, specific g...[Details]
1 Introduction
The multifunctional monitor is a commonly used clinical medical device. It can display the patient's electrocardiogram (ECG), respiration (RESP), blood oxygen saturation (SP...[Details]
Digital-to-analog converters (ADCs) provide the critical conversion of analog signals to digital signals in many systems. They perform amplitude quantization of an analog input signal to a binary fini...[Details]
With the continuous improvement of living standards and the increase in the proportion of urban aging, the household use of medical electronic equipment has gradually become a trend. Among them, the...[Details]
At present, a hot spot for the research and development of hearing aids abroad is concentrated in China. To be more precise, it is based on the research of Chinese language and speech, and the deve...[Details]
With the rapid development of digital technology, various digital display screens have emerged, including LED, LCD, DLP, etc. There are various control systems for various digital large screens, in...[Details]
To ensure the success of China's TD-SCDMA network commercialization, operators and equipment suppliers need to conduct a large number of tests on networked equipment, among which RF testing is...[Details]
Engineers who are new to wireless design and wireless product development need to master the basics of
RF measurement
. In many cases, this process is to enable engineers who have been engag...[Details]
Overview
Currently, many portable consumer electronic products, such as mobile phones, PDAs, MP3 players, and notebooks, are equipped with display screens. Although the type and size of the di...[Details]
This article first briefly introduces the working principles of current mode and voltage mode and their respective advantages and disadvantages; then discusses the ideal voltage mode using output c...[Details]
introduction
Usually, there are many input and output ports in RF systems, and it is expensive to use a multi-port network analyzer to analyze scattering characteristics. Therefore, it is ...[Details]
Today's mobile phone production testing faces an increasingly complex environment, with challenges of multiple frequency bands and multiple standards, pressure on production test speed, and pres...[Details]
Semiconductor devices used in high-end computing (advanced microprocessors) and consumer electronics (graphics and gaming chipsets) devices generally provide data rates up to 6.4Gbps through hig...[Details]
Introduction
The home ECG and blood pressure monitoring system consists of a data acquisition and recording device and a host computer electronic medical record management system. Therefor...[Details]
introduction
Every friend who has been in contact with PC since the 286 era must have deeply experienced the convenience brought to our lives and work by the leaps and bounds of comput...[Details]
MCU
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