[size=4] Bluetooth has always been a standard feature of smart devices, whether it is a smartphone, a laptop, or a tablet. With the development of mobile Internet, a large number of smart wearable dev...
//Accept a byte subroutine, the exit is the received data R_DATA int RECEIVE() { int R_DATA=0,sz,i; *PFDATDIR=*PFDATDIR & 0xFFDF; //SDA is input *PFDATDIR=*PFDATDIR & 0xFFFE; //SCL is 0 delay(100); fo...
I want to ask what is the function of the files folder under BSP? ? Does it generate any files after compiling the kernel? Or does it not participate in the compilation at all? ? I see that my files f...
The internet was down for two days, and I started surfing today. The sensortile USB driver doesn't show up after I installed it, and I don't know why. At present, we can only debug the program. The fo...
I want to make an electronic dictionary, but I don't know what system to use? My teacher recommended me to buy a QT210 development board, but I'm just learning ARM9, and I'm afraid it's not easy to ge...
The device outputs a 0-2V DC, such as a 1.5V battery. How can I read it into the computer through the RS232 line? Then write a program in JAVA to display the voltage value on the screen? And can it be...
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]
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Abstract
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RFID technology will be ubiquitous in the future, and there is no doubt about it, because it brings convenience and timeliness to people, which means efficiency and...[Details]
Keeping the heart environment compact and warm is beneficial in most cases, but it’s another story for electronic heart scanners. When GE Healthcare was designing a scanner that was said to be the fas...[Details]
As the price of readers and tags decreases and the global market expands, the application of radio frequency identification (RFID) is increasing day by day. Tags can be powered by readers (passive ...[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]
1 Introduction
In the current test field, the correlation detection method is increasingly widely used for filtering. Correlation filtering can easily separate a signal of a specific frequency...[Details]
0 Introduction
Metal halide lamp (MHL) as a green lighting source has been widely used in the field of indoor and outdoor lighting. However, when using this green lighting source, the matc...[Details]
Chapter 1 Proposal
Endless salespeople interrupt your normal work schedule;
Employees leave their work stations without permission during working hours;
Unauthorized persons ente...[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]
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]
Touch sensors have been in widespread use for many years, but recent advances in mixed-signal programmable devices have made capacitive touch sensors a practical, value-added alternative to mechani...[Details]
Abstract:
QT1101 is a QTouch charge transfer (QT) device, a complete digital controller that can detect signals when approaching or touching up to 10 independent keys. It can be widely used i...[Details]
With the development of the electronics and data industries and the promotion of distributed power supply systems in recent years, the application of DC-DC converters has become more and more wides...[Details]
Set-top boxes often have some faults during the use process. This is a problem commonly reported by users. Due to the lack of professional knowledge and skills, users are often at a loss when probl...[Details]
0 Introduction
In the fields of signal acquisition and processing, digital communication, automatic detection and multimedia technology, digital/analog converters are often indispensable p...[Details]
RF/Wirelessly
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