For example, if the resistance of an LED is 4K, the current is 5mA, and the voltage is 24V, then the resistance power is 0.1W. I usually use 0805, which is 0.125W. What does the safety resistance in t...
[Preface] I have read the works of several great guys, and I would like to especially thank @DDZZ669 and @sonicfirr and others for their works.The first element of the project I participated in was to...
A simple time-sharing processing system can be realized by using state machine + time slice, but how to divide the modules and what is the best time slice? With this question, I searched for informati...
I would like to ask: After adding a product to the ONENET platform, when adding a device, the automatic subscription option is, does it mean that the device side subscribes to the messages on the ONEN...
Inline assembly is to use assembly statements directly in C to program, so that the program can implement some tasks that cannot be completed by C language in C program. For example, in the following...[Details]
Modern electronic systems in automotive and industrial applications require powerful, efficient and precise data communication capabilities to ensure optimal performance. To meet these needs, I...[Details]
Double-click the desktop shortcut to open KEIL, as shown below: Click the menu "Project" and select "New μVision Project" in the drop-down menu In the pop-up window, select the path to save th...[Details]
With the development of the LED lighting industry, LED flat panel lights, which are derived from LED backlights, have uniform light, no glare, and exquisite structure, and are loved by many people....[Details]
1. Characteristic frequency:
① The passband cutoff frequency fp=wp/(2p) is the frequency of the boundary point between the passband and the transition band, at which the signal gain drops to a...[Details]
LabVIEW 8.6 adds the development and control of wireless networks, such as Bluetooth, GPRS, and GSM. This is a wise choice made by NI in the context of the development of wireless communications. In ...[Details]
Realize the hardware construction and software design of digital image sequence acquisition, image processing, spectral classification of biological cells, image selection, optical density measurement...[Details]
Connect the oscilloscope probe to the calibration signal output terminal (CAL), and a 1kHz square wave pulse signal will appear on the oscilloscope. If the shape of the square wave is not good, as sh...[Details]
"Electric vehicles will move toward high voltage in an all-round way. Charging 1 kilometer per second, 200 kilometers in 5 minutes, and a refueling charging experience have become a reality." On Feb...[Details]
D7001 and D7002 sets are solutions for decorative products such as LED light strips and guardrail tubes. Compared with traditional products, this solution has many advantages such as high performance,...[Details]
The control system is the brain of the robot and the main factor that determines the function and performance of the robot. The main task of industrial robot control technology is to control the mo...[Details]
On June 2, the China Huadian "unveiling the challenge and taking charge" project leadership ceremony was held at the headquarters of the group company. Wen Shugang, secretary of the Party Commi...[Details]
Clock concept 1. Clock pulse: A pulse signal that is continuously emitted at a certain voltage amplitude and a certain time interval. 2. Clock frequency: the number of clock pulses generated per ...[Details]
June 17, 2022 -
Xiaomi's new POCO C40
was officially released. As a best-selling model for the mass market, POCO C40 has a simple appearance and comprehensive configuration. It is particula...[Details]
1. Introduction
The interaction effectiveness between the modules of electric vehicles directly affects the driving efficiency and driving experience of the vehicle. Plug-in hybrid vehicles ca...[Details]
Power technology
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