After seeing the laser engraving machine on the forum before, I suddenly felt that this thing could be used for drawing, and it could remove a lot of structural support parts to achieve the effect of ...
1. Consider transmission attenuation: When the floor is very high and far from the monitoring center, the transmission attenuation problem should be carefully considered. When choosing cables, everyon...
This code is copied from Baidu on the Internet. There are two main problems. The 32-bit compilation is correct, but the 64-bit compilation is wrong. Can you give me some guidance?#define va_list void*...
Job position: Entry-level PCB engineer Competency requirements: 1. Able to make simple packages, such as DIP10, etc.; 2. Master the basic operation of at least one PCB design software, and be able to ...
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I am a beginner of PIC16F877A microcontroller. I have learned 51 before. Can you please give me some advice? Also, if anyone has the PIC8.05 version of the compiler, please send it to me. Thank you in...
Third generation (3G) mobile phones offer a variety of features with more functionality. As consumers enjoy the latest and better features of these communication devices, they continue to demand lo...[Details]
AD8302
Introduction
AD8302 is a monolithic integrated circuit for RF/IF amplitude and phase measurement from ADI. It is mainly composed of two precisely matched broadband logarithmic det...[Details]
introduction
The most common flight state of a fixed-wing aircraft is horizontal flight. If it is allowed to fly at a large angle, the action cannot be maintained all the time. If it is al...[Details]
MIPS Technologies Inc. has introduced the CI10084tg, a next-generation global positioning system (GPS) RF tuner IP solution. The silicon-proven, integrated low-noise RF front end for GPS receivers...[Details]
Abstract: This paper introduces the origin and new features of MP4, and introduces the core audio compression technology MPEG-2 AAC (Advanced Audio Coding) based on MP4. Finally, it briefly summari...[Details]
Abstract: CC2420 is a 2.4GHz RF chip introduced by Chipcon that complies with the IEEE 802.15.4 specification. It is used to develop ZigBee devices and products for PAN networks such as industrial ...[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]
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
In people's daily life and work, the amount of electricity consumed by computers is very considerable, so the industry pays great attention to energy saving and consumption reduct...[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]
1 Design Concept
The car instrument is a window and interface for information exchange between the driver and the car, which plays a positive and important role in improving the service li...[Details]
In embedded control systems, it is often necessary to collect data and process real-time physical quantities on site, and the system is required to have good human-computer interaction functions. A...[Details]
The power management system of a netbook can be divided into the following parts: 1. Battery charging and management; 2. CPU processor power supply; 3. System 5V/3.3V power supply; 4. I/O and graph...[Details]
1 Introduction
The C8051F series single-chip microcomputer is a fully integrated mixed-signal system-level device (SOC) of Cygnal Company. Its CIP-51 core runs at a speed of up to 25 MI/s....[Details]
The future of full-custom digital ASICs is beginning to cloud. Field-programmable gate arrays (FPGAs) are taking over many applications that were once considered the exclusive domain of full-custom...[Details]