Panasonic is a Japanese multinational company with more than 230 companies around the world and a total of more than 290,493 employees, including more than 54,000 in China. The total sales in 2001 was...
[i=s]This post was last edited by kctime on 2014-8-9 22:35[/i] This is a late sharing. I would like to apologize to all the forum friends and boss. I don't know how to use this web editor. Please allo...
I am learning stm8 microcontroller by myself, and I am not very proficient in C language. I know the ST library, which contains .c and .h files, which basically appear in pairs. Can anyone explain wha...
[i=s]This post was last edited by Baboerben on 2020-5-1 20:29[/i]A DSP-based induction motor vector control system. The system uses intelligent power modules IPM to form an AC-DC-AC voltage inverter. ...
[i=s] This post was last edited by jj1989 on 2019-4-27 18:47 [/i] [size=4] [md]# 【RT-Thread Reading Notes】Virtual File System## Preface I have been paying attention to the RT-Thread embedded real-time...
[color=red]@What is the function[/color]const uchar EnAAReg[2] @ 0x1046 = {0x21, //Auto-response register address 0x00 //Disable auto-response for all channels};...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
Today's computer peripherals are pursuing high speed and high versatility. In order to meet user needs, seven companies led by Intel launched the USB (Universal Serial Bus) bus protocol in 1994, wh...[Details]
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[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]
Abstract: In order to generate a stable excitation signal, the design of a digital frequency synthesizer is implemented on FPGA using Verilog hardware language. The design includes accumulator, wav...[Details]
This paper designs a dot matrix LED text display screen that is easy to update, expandable, and low-cost. The way to reduce costs is
① Use the Bluetooth data transmission function of mobile ph...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
The solidification and modularization of intelligent video analysis algorithms are the current trends in the application of intelligent video analysis technology. It perfectly combines intelligent ...[Details]
Vertical cavity surface emitting lasers (VCSELs) are gradually replacing traditional edge emitting lasers, especially in low bandwidth and short-distance communication systems where cost factors ar...[Details]
1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[Details]
PV inverter manufacturer SMA has launched its first DC arc fault circuit interrupter (AFCI) PV inverter and has received UL certification.
The new SunnyBoy AFCI inverter models include 3000-US...[Details]
This controller uses PIC16C54 single-chip microcomputer as the controller, and it is very easy to use: just connect a telephone line to the loudspeaker through the controller, and you can rem...[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]
Spatial Division Multiplexing (SDM) MIMO processing can significantly improve spectrum efficiency and thus greatly increase the capacity of wireless communication systems. Spatial Division Multip...[Details]
LED light sources have many environmental advantages, but early products still have certain technical bottlenecks in heat dissipation and high brightness design that cannot be broken through....[Details]