I recently took over a project. Here is a small part of the program written in KEIL3: 1. TIMER1: void TIMER0_MIC_CHECK() interrupt 1 { power++; TH0=0x4f;TL0=0x00; switch_check();//switch detection MIC...
[align=left]The variable frequency power supply can be used for a long time without frequent failures, which is inseparable from the maintenance and repair of the variable frequency power supply by th...
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]
Maximize instrument utilization and reduce
test times
Increasing the throughput of automated test systems can improve efficiency. Using off-the-shelf tools (COTS) such as multicore proc...[Details]
This summary will introduce the transmitter characteristic test of TD terminal products - uplink power control. According to the 3GPP TS34.122 standard, UE uplink power control is divided into uplink ...[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]
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]
The rapid growth of consumer video applications, from portable media players and cell phones to video game consoles, requires a multitude of different interfaces and adapters to enable users to tra...[Details]
Femtocell base stations are required to meet stringent requirements in terms of interference, compatibility testing between mobile devices and networks (such as ad hoc networks, handovers), and mee...[Details]
Femtocell is similar to Home Node B, a small, low-cost cellular access point used to improve network coverage in personal residences and small business buildings. Usually, it is directly connected ...[Details]
Overview and application status of IC card access control
IC Card Access Control Overview
System Overview: Use IC card as the carrier to realize identity recognition and access co...[Details]
After more than 20 years of development, Ethernet has become an indispensable part of the underlying connection in modern Internet. It is easy to network and has better openness, making it one of t...[Details]
The car sensor simulation tester simulates the input signal of the car computer and replaces the sensor. It does not need to replace the sensor, so it can accurately judge the quality of the sensor...[Details]
1. Overview
At present, there are many cases related to motor vehicles among all kinds of criminal crimes, such as hit-and-run, theft and robbery of motor vehicles, etc. If an automatic mo...[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]
In the new generation of automotive exterior mirrors, the number of built-in functions has increased significantly: side retro-reflectors or turn signals/flashlights, door exterior lights, defroste...[Details]
Preface
Inertial navigation systems, various seekers, spacecraft and other test and recording application systems all require autonomous, real-time and reliable storage of a large amount o...[Details]
Programming Basics
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