Shenzhen Xintianyuan Electronics Co., Ltd. is located in Hongfa Industrial Park, a beautiful lakeside of Shiyan Town, Bao'an District, Shenzhen. It is a high-tech enterprise specializing in quartz crystals, crystal oscillators, SMD crystal oscillators, and active crystal oscillator components. It integrates the research and development, design, manufacturing, marketing and service of quartz crystals. It has a 10,000-level cleanroom, internationally advanced production equipment, special testing instruments, the latest technology and dozens of professional and technical personnel. The products are widely used in security monitoring systems, mobile phones, e-books, car audio, car radios, car anti-theft alarm systems, tablet computers, digital TV receivers, communication multimedia, clocks, computers and other telecommunications and electronic industry products.
The "Windows Hardware Engineering Conference" is Microsoft's most forward-looking global hardware technology information event for personal computer terminals, servers, hardware devices and drivers. I...
After receiving the board, there was a little episode. Today I received a text message saying that a YTO Express had arrived at a Cainiao Station in District A of Chongqing. So I was confused, after a...
Question: The board is ARM2410. Under wince, as soon as my application opens serial port 2, serial port 1 will print the message Data Abort: Thread=8fadf914 Proc=8e028d08 'device.exe' AKY=00001009 PC=...
1. Introduction
Currently, most instruments and equipment use RS232 interfaces to communicate with computers. However, with the development of computer technology, the hot-swappable USB standard int...
[i=s]This post was last edited by Prince Magpie on 2015-6-17 19:24[/i] VCC is made of 20V (VDD) through the MC7805 power conversion chip. When VDD is interrupted for a certain period of time (20V——>0—...
Workers in garment factories usually turn on the power of the sewing machine motor as soon as they get to work and do not turn off the sewing machine power until they get off work. In fact, during ...[Details]
1. Introduction
From the perspective of computers, modern weapons and equipment contain a variety of electronic components and subsystems. External electromagnetic radiation, mutual interferenc...[Details]
Abstract:
In view of the characteristics and limitations of traditional hardware radio architecture, the application requirements of analog-to-digital converters in software radio design are ...[Details]
Abstract: The DS2409 was originally designed to be used as a detection point (reader head) for access control and to reduce the bus load in large 1-Wire® networks.
The DS2409
was also used to i...[Details]
introduction
Cadence Design Systems offers a comprehensive SystemC
TLM
-driven IP design and verification solution, including methodology guidance, high-level synthesis, TLM-aware verific...[Details]
Repair of air switch failure
After the air switch has been used for a period of time, refer to Figure 5-20 (b). The tripping buckle plate ⑨ and the closing self-locking arm ⑩ i...[Details]
With simple equipment, it is very difficult to repair the chronic air leakage of refrigerators. The bicycle high-pressure air pump introduced here is easy to make and convenient to check. The...[Details]
Smart battery box
The appearance and internal structure of the homemade battery box introduced here are shown in Figure 6-21. It can hold eight No. 1 batteries, and can lead ou...[Details]
Power supply noise testing
The distance between the probe's GND and the signal's two detection points is too large.
Figure 1: Quantization error of the oscilloscope DC. The oscillo...[Details]
When selecting EMC test equipment, we often encounter such questions: What is the difference between EMI receivers and spectrum analyzers? Why should we use receivers for EMI testing? This art...[Details]
Component placement technology
SMT component placement systems are evolving rapidly, with a particular focus on two unique system features. The first is related to handling all of t...[Details]
Implementation methods of two check codes of Modbus protocol based on LabVIEW
This paper introduces the implementation method of two check codes of Modbus protocol based on LabV...[Details]
Maintenance of Digital Multimeter Calibrator
This paper introduces the general method of repairing the DO30 series digital multimeter calibrator, and uses this calibrator as an ...[Details]
1 Testing of controls such as text boxes and buttons
1.1.1 Testing of text boxes
How to test text boxes
a. Enter normal letters or numbers.
b. Enter the name of an existing file.
...[Details]
In telecommunications and telemetry technology, a transmission line can be used to transmit multiple signals at the same time, such as a telephone line for several users. The so-called time d...[Details]
Embedded System
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