I sent an AT command to the serial port and then read the echoed data. It should be OK, 2 characters. After debugging, I found that the read data is 2 bits, but the returned data is ? for the first bi...
BUILD: [00:0000000026:WARNS ] Directory: C:\WINCE500\private\osinternal\test\hal\ does not exist. I can't find the osinternal folder under private. What is this folder for? Can I not use it?...
The msp430 contains an ADC12 module that can complete 12-bit analog-to-digital conversion. When the accuracy or other indicators are not high, the ADC12 inside the 430 microcontroller can be used to c...
Why does my LCD display program run well in the emulator, but after being burned into the flash, it cannot be displayed when it is powered on again and run independently? Is it because the access time...
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]
The microwave multifunctional therapeutic device uses microwave radiation for heating treatment, which can achieve the effects of sterilization and blood circulation. Using microwaves to directly c...[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]
When it comes to ATX power supply, people will think of two "classic" ICs: pulse width modulation chip TL494 and voltage comparator LM339. The new dedicated control chip AT2005B has the functions ...[Details]
1. Intrusion Detection System (IDS)
IDS is the abbreviation of "Intrusion Detection Systems" in English, which means "Intrusion Detection System" in Chinese. Professionally speaking, it monito...[Details]
China National Stadium Project Introduction
The National Stadium (Bird's Nest), the main venue for the opening and closing ceremonies of the 2008 Beijing Olympic Games, is located on the g...[Details]
With more and more countries, regions and cities legislating to require drivers to use hands-free calling systems, as well as the shrinking wallets of most consumers around the world and the uncert...[Details]
Today, many wireless devices combine GSM, WCDMA, Bluetooth, WLAN, GPS and FM technologies and support the high data rates required for mobile Internet. Moreover, as customers demand mobile wireless...[Details]
On July 1 this year, the "Civil Airport Management Regulations" will be officially implemented. The new regulations put forward higher requirements for the safe operation of airports. At the same t...[Details]
In the past one or two years, driven by Apple's iPhone, the smartphone market has expanded rapidly. An important feature of portable products such as smartphones is that they have more and more fun...[Details]
0 Introduction
With the rapid development of modern science and technology and the progress of society, service robots are becoming more and more closely connected with people's lives,...[Details]
Recently, the new version of the plasma collection management system developed by Shandong Jingyun Information Technology Co., Ltd. using Fujitsu PalmSecure palm vein identification technology was ...[Details]
Introduction
As mobile devices become more multifunctional, the operating voltage of their power circuits has also become diversified. Specifically, taking a typical mobile phone as a...[Details]
Future 4C products are characterized by low price, light weight and mobile Internet access, so their power supply design must break away from traditional limitations, including complicated external...[Details]
0 Introduction
With the rapid development of my country's economy and the improvement of people's living standards, energy and resources have become increasingly scarce, and power shortage...[Details]
Embedded System
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