2.2 Commit Upload Project Files for the First TimeIn the working directory repo_test , we create a new file named test1.txt and enter some text data.Right-click the local working directory repo_test a...
How can I implement the direct editing function of the datagrid in a PDA? MSDN says it is not possible. Is there any other way, or use other list controls? Please give me some advice. Thank you in adv...
Digital tube display driver and keyboard scanning controller CH451 and its applicationAuthor: Shi Longzhao Article Type: Design Application Article Added Time: June 18, 2004 0:23Article source: Foreig...
The transformer of the switching power supply has an operating frequency of 200K, a coil turns ratio of 1:1.2 (how many turns is better?), and an operating voltage of 12V primary and 14V secondary. Ho...
This article outlines the design of balanced loop antennas for MELEXIS wireless receiver chips MLX71120 and MLX71121. A detailed design process is provided, including complete calculation steps. All c...
0. Introduction
In daily life, we often see some special-purpose vehicles. When these vehicles pass through intersections, they often obtain the right of way at intersections by temporarily op...[Details]
Experimental tasks
A DS18B20 is used to form a temperature measurement system. The temperature measurement accuracy reaches 0.1 degrees. The temperature range is between -20 degrees and +50 de...[Details]
In 2012, more than half of the cars in the European, Japanese and American car markets will be equipped with color displays, navigation systems, satellite communications and other in-vehicle infota...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guangzho...[Details]
LED is now known as the fourth generation of light sources. High-power LED has many advantages over traditional light sources in outdoor lighting.
1 LED lamps have high light efficiency
C...[Details]
1 Battery technology determines the fate of energy vehicles
Regardless of whether new energy vehicles are hybrid or pure electric vehicles, they cannot do without the core technology of batter...[Details]
This article focuses on closing the feedback loop of an isolated power supply using a TL431 shunt regulator. The article discusses a method to extend the bandwidth of the power supply control loop ...[Details]
The rapid development of the automobile industry has promoted the progress of global machinery, energy and other industries, as well as the development of economy, transportation and other aspects,...[Details]
1 Introduction
This laboratory is mainly based on the characteristics of vocational education. It provides remote PLC technology training and teaching experiment functions for on-campus (studen...[Details]
As the electromagnetic environment in space becomes increasingly complex, the shielded cables used to transmit weak signals in the test system are easily affected by external electromagnetic distur...[Details]
1. Introduction
Industrial fieldbus technology is one of the technologies that has received the most attention in the automation industry in recent years, and it has brought a qualitative leap...[Details]
The classification of large-screen electronic image display technology is as follows:
The projection type screen display system relies on the optical projection method to form an ima...[Details]
Typically, buck regulators are designed for continuous mode operation, which simplifies output voltage calculations and system design. However, if the system is non-synchronous and required to oper...[Details]
White LED energy-saving lamps are now widely used in handheld devices (such as mobile phones) as backlights for color LCD screens and keyboard lights. Colored LED energy-saving lamps are good indic...[Details]
1. PCB circuit board
Tester
Main functions
The tester adopts circuit online testing technology, which can be used to test and analyze common faults of various small and medium-scale ...[Details]