I am working on a perpetual calendar project. The MCU I use is a Taiwan 10-speed 4-bit single-chip tm87p08 MCU with built-in LED driver. The com port is connected to the digital tube pen segment throu...
I want to remotely update the altera loader chip EPCs128. After I call the asmi_parallel IP core, I can read and write data normally. However, after I send the sector_erase command, the data in the EP...
Do you want to search for things that Google can't find? For example, social networking sites and personal information stored in the cloud and protected by passwords. A 19-year-old Israeli high school...
[color=#333333][backcolor=rgb(238, 238, 238)][font=Arial]When debugging the following program, STLINK reports the error "Internal command error" and "Error while attempting to read 64 bytes from 0x800...
This thread is created in the hope that everyone will talk about the biggest problems encountered when purchasing electronic components, including the problems that you are most worried about , the pr...
Magnetic resonance imaging (MRI) systems can take high-resolution cross-sectional perspective images of the human body, providing very useful information for medical diagnosis. The radio frequency pro...[Details]
The circuit shown in the figure is a three-digit tachometer used to measure low frequency signals with a repetitive time interval of 0.235 to 15 seconds. The tachometer has a speed range of 4 to 255 r...[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]
Signal sources have developed to a very wide range today. We can classify them according to the frequency range: ultra-low frequency (0.1m~1kHz), audio (20Hz~20kHz), video (20kHz~10MHz), radio fre...[Details]
Many MEMS devices, such as accelerometers and mechanical resonance devices, require a vacuum environment to realize their designed functions. However, verifying whether the package cavity has reach...[Details]
1 Introduction
The intelligent meter reading system is a system that reads the data of multiple user meters in a centralized manner through the transmission media by the master station. It...[Details]
1 Introduction
In recent years, with the rapid growth of mobile phones and MP4 video players, it is estimated that the production of mobile phones this year will reach 1 billion units, and...[Details]
introduction
Like other
portable
electronic products,
blood flow parameter detectors
need to be small, thin, durable, reliable, and have a long standby time. Therefore, system desi...[Details]
Preface
For a long time, SD cards with Flash Memory as storage have been widely used in consumer electronic products due to their small size, low power consumption, erasable and non-volati...[Details]
Abstract:
This paper
introduces a data acquisition system based on USB and DSP, which takes advantage of the high-speed transmission characteristics of USB2.0. The overall structure of the ...[Details]
In the issue of ensuring the safety of drivers and pedestrians, the proportion of electronic technology has increased. According to the survey, 80% to 90% of traffic accidents are caused by driver...[Details]
Electrocardiogram is an important means of diagnosing heart disease. However, due to various reasons, it is difficult to capture abnormal electrocardiograms with ordinary electrocardiographs. Although...[Details]
With a 31-step dimming range, existing LED drivers offer good dimming capabilities, providing smooth backlight boosting or dimming effects for LCD displays. However, when the end application involv...[Details]
1. Introduction
The balance ability
of human beings
is the basis for people to carry out various sports. People need
balance ability
to stand, sit, lie down and walk
. Once
...[Details]
I hope my mobile phone has more functions, I hope my digital camera is smaller, I hope my Walkman can listen longer... Consumers are always full of expectations for the performance of portable electro...[Details]