The ST-Link virtual serial port on the board is connected to UART4 of STM32MP157A. If you type characters in the terminal to enter interactive mode when the system is in the card insertion state and t...
[i=s]This post was last edited by Hot Ximixiu on 2019-7-4 21:18[/i]There is a joke like this: "Marry to my village. The conditions in my village are not bad. Clothes are basically made by spinning, fo...
What is flying probe testing? Flying probe testing is one of the methods for checking the electrical function of a PCB (open and short circuit testing). A flying probe tester is a system for testing P...
The chip structure design of LED is a very complex system engineering, which involves the electroluminescent structure design for the purpose of improving injection efficiency and light efficiency, th...
I want to rebind the network card under CE. The following code always goes wrong. Could you please help me check it? Thank you LPCTSTR NDISUIO_DEVICE_NAME = _T("NDS0:"); WCHAR strAdapterName[] = L"PCI...
Hardware designers have begun to adopt FPGA technology in high-performance DSP designs because it can provide 10-100 times faster computing than PC-based or microcontroller-based solutions. Previou...[Details]
With the rapid development of urban economy, elevators are increasingly used as a vertical transportation tool. However, elevator fault detection and maintenance, especially the role of elevator remot...[Details]
LED is the abbreviation of light emitting diode, which is an electric light source made of semiconductor technology. The core part of LED is a chip composed of P-type semiconductor and N-type semi...[Details]
It is well known to automotive suppliers that automakers are demanding more from their supply base. For connector suppliers, this means stricter requirements for product performance, stability and ...[Details]
The era of mobile access to the Internet has arrived, and it will rapidly change the business and infrastructure needs of mobile operators under a whole new trend of requirements. We need 4G LTE to...[Details]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[Details]
Synchronous buck designs are becoming increasingly difficult, and the selection of suitable ICs is becoming quite narrow. This Design Idea combines a current-mode PWM IC used in a flyback regulator...[Details]
(1) Open circuit voltage of the battery
(2) Internal resistance of the battery
(3) Battery operating voltage
(4) Charging voltage
Charging voltage refers to the voltage applied ...[Details]
1 Introduction
In the process of crude oil pipeline transportation in the oil industry, crude oil needs to be handed over between enterprises, so flow meters are widely used. The measurement ac...[Details]
In the design of multi-channel passive radar signal processor, the author used DSP chip
TMS320VC5409
to control the interface circuit of four DDC chips HSP50214B, and studied the ke...[Details]
1. Introduction
Power flow calculation is the basis for studying steady-state problems of power systems. Since the application of computers to calculate power flow distribution in power sy...[Details]
With the rapid development of electronic technology and microcomputers, the rapid development and widespread application of microcomputer control technology have been promoted. Small and medium-siz...[Details]
0 Introduction
With the continuous progress of science and technology, industrial control systems are developing towards openness, digitization, intelligence, distribution and networking. Field...[Details]
Engineers usually use multiple groups of cheap small-capacity batteries in parallel to achieve the larger battery capacity required by UPS. If multiple groups of batteries with poor performance uni...[Details]
LED lamp beads are voltage-sensitive devices and capacitive loads. In actual work, the current accuracy is required to be high, which is one of the main issues affecting the luminous efficiency and...[Details]
Test/Measurement
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