The following figure shows the DB9 pin type RS485 output signal and terminal pin assignment. This DB9 pin type is different from the standard RS232 or RS485 DB9 definition. The DB9 pin type descriptio...
DescriptionThis TI reference design provides a low-component-count, low-cost solution for a 4 to 20mA loop-powered resistance temperature detector (RTD) temperature transmitter. The design uses the on...
Dear experts, I have a question, as follows:
module test(A,B,C)
endmodule
test t1(.A(AX),.B(BX),.C(CX))As shown above, the test module is instantiated, but I did not give values for A, B, and C, which...
Take a taxi in the morning?? Go to the beach to catch the ship?? Open the door to move equipment?? Install?? Debug and test?? Wait for acceptance? Acceptance? ok?? Disassemble and put back? ?[sweat], ...
Sina Technology News reported in the early morning of March 3rd, Beijing time, that on March 2nd, the U.S. International Trade Commission (ITC) announced that after receiving relevant patent in...[Details]
To troubleshoot, first ensure safety and take appropriate measures, then proceed in the following five aspects.
1
Ask the operator how the fault occurred
When an electrical dev...[Details]
Although a series of consumer information technology products such as word processors, search engines, social networks, email systems, mobile phones and applications have penetrated into every aspect ...[Details]
Provides superior protection for electronics in appliances, building automation, outdoor lighting and smart meter applications
Beijing, China, March 1, 2022 – Littelfuse, Inc. (NASDAQ: L...[Details]
Researchers at the UK National Physical Laboratory (NPL) have made a major breakthrough in organic photovoltaic metrology for solar power technology, using a new atomic force microscope to "see" or...[Details]
Data shows that my country's manufacturing value added increased from 16.98 trillion yuan in 2012 to 31.4 trillion yuan in 2021, and its share of the world's total increased from 22.5% to 30%, cont...[Details]
Preface
In the current frequency conversion device test scheme, the control of the local oscillator signal source by the measurement system is a very difficult problem (except for the fixed lo...[Details]
Since the binocular vision monitoring system can imitate the functions of the human eye, perceive the three-dimensional world information, and obtain the depth information from the object to the CC...[Details]
1. Cable characteristics
Cable is the main component of CATV network, it has three characteristics: impedance characteristics, transmission characteristics and temperature characteristics. The...[Details]
1. Please read the instructions carefully before use to make sure whether it is AC or AC/DC dual-purpose.
2. The voltage of the circuit under test cannot exceed the value indicated on the clamp ...[Details]
The official LED lamp test program can be downloaded to the NorFlash and NandFlash of Mini2440, and can be downloaded and implemented using the BootLoader in NorFlash. When downloaded to NandFlash an...[Details]
β-Ga2O3 can be used not only in power components, but also in LED chips, various sensor components, and camera components, etc., and has a wide range of applications. Among them, LED chip substrate...[Details]
Perhaps the most exciting development in the display industry in the last 50 years is the organic light emitting diode (OLED). Organic semiconductors are formed by aggregated amorphous molecules. T...[Details]
Introduction
Due to the different driving principles, new energy vehicles have fundamentally promoted the upgrade and transformation of the vehicle's thermal management system. Ligong Technolo...[Details]