October 21, 2013The courier was such a rip-off. Two couriers arrived in the morning, but I only sent one text message. I had to run so far to pick up the items, and I ran twice. This board is not dire...
Can you solve this number puzzle? It is a four-digit number. The first digit on the left is 7. If this digit is moved to the last digit, the number must be reduced by 864. Find this four-digit number....
[i=s]This post was last edited by cruelfox on 2021-1-29 09:03[/i] Espressif's ESP32-Korvo development board can be seen as an application prototype of ESP32 for voice reception and processing. The ha...
Some people say that it is possible to connect an external fiber optic module, but a friend said that he had debugged it but it didn't work, saying that it doesn't seem to support fiber optic modules....
Only SPI and WiFi are enabled. If you want to use network wake-up, does that mean you can't do deep sleep? Is there any way to reduce power consumption in this case?...
Using Xilinx ISE power estimation tool XPower to achieve low-power FPGA electronic system optimization skills and methods This paper first compares the power consumption of the measured system to ve...
This program is written to simulate the serial port hardware mechanism. When used, a timed interrupt can be set with a time interval of 1/4 baud rate. The receiving function is called once for ea...[Details]
Analog engineers have traditionally struggled with complexity when designing power supplies that required multiple outputs, dynamic load sharing, hot-swap, or extensive fault-handling capabilities....[Details]
introduction
In the discharge process of tokamak plasma physics, the study of rupture and sawtooth is of great significance. Rupture and sawtooth exist in most tokamaks. Rupture is a notew...[Details]
The reason for the light decay of white LEDs: the decline of phosphor performance
So far, the rapid decline of the luminous performance of white light LEDs, especially low-power white light LE...[Details]
DSP (digital signal processor) is used more and more frequently in today's engineering applications. There are three main reasons for this: first, it has powerful computing power and is capable of ...[Details]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[Details]
Problems such as the depletion of natural resources, air pollution, traffic congestion, and rising fossil fuel prices have forced societies and individuals to seek alternative means of transportati...[Details]
Motors, especially those with brushes, generate a lot of noise. This noise must be dealt with if the appliance is to meet the requirements of EMC standards. The means to solve EMC are nothing more ...[Details]
hint:
The number of speakers and their spacing limit the sound field of a portable stereo system.
Spatial audio attempts to artificially recreate the experience of listening to sounds i...[Details]
1 Basic Features
In computer control systems and various intelligent instruments and meters composed of single-chip microcomputers (or microprocessors), various external analog signals must be ...[Details]
0 Introduction
Under normal circumstances, the three-phase power in the power system is symmetrical, and they meet certain amplitude and phase conditions; but when the load changes, the syst...[Details]
Analysis of the three core aspects of digital TV transmission standards
According to the differences in regionality, transmission method and modulation method, the transmission method needs to...[Details]
LED is the abbreviation of the English word. Its main meanings are: LED = Light Emitting Diode, a solid-state semiconductor device that can convert electrical energy into visible light. It can dire...[Details]
The production process of lithium batteries does not mention the previous processes such as material preparation, winding, liquid injection, and packaging, but only talks about the final formation ...[Details]
0 Introduction
In the design and construction of communication systems,
communication power supply
is called the heart of the communication system. The power supply system will dire...[Details]
Microcontroller MCU
京公网安备 11010802033920号
EEWORLD
