The red part is shown in the figureThe forward transfer coefficient S is too large. When used for constant current, a slight change in Vgs will cause a large change in current. For example, if Vgs cha...
In the last issue, we shared the cross-sections of electronic components such as switches, plugs, BGAs, electret microphones, optocouplers, etc. In this issue, let’s take a look at the cross-sections ...
In addition to using relays and mechanical switches, how can we separate the voltage range from the resistance range, so that the resistance range is turned off when measuring voltage, and the voltage...
[i=s]This post was last edited by Jacktang on 2019-11-14 23:07[/i]summarySome time ago, while learning radio, I learned that Arduino was a good choice for me after Raspberry Pi as a technical geek wit...
Key Design Considerations for On Board Charger
Key considerations for designing an on-board charger
Perhaps the biggest change drivers will experience after switching to an ...[Details]
1. S3C2440 clock
1. Clock Tree
From the clock tree in the technical manual of s3c2440, we can know that its clock is divided into four blocks: FCLK, HCLK, PCLK, and UCLK. FCLK is m...[Details]
Against the backdrop of fierce price wars, lower electricity prices than oil, the introduction of new battery technologies, intelligent iterations of entire vehicles and expansion of overseas marke...[Details]
CNC (Computer Numerical Control) system is an automatic control system widely used in the field of mechanical processing. It controls the movement and operation of machine tools through computer pr...[Details]
1 What is interrupt nesting?
Interrupt nesting means that high-priority events can interrupt low-priority events (but not vice versa), and after processing high-priority events, they have to c...[Details]
Working status
arm status 32-bit instruction
thumb status 16-bit instruction
Memory format
Maximum
addressing space is 4gb
Big endian format:
The
high byte of word data ...[Details]
(1)
The code of nand flash part of s3c2440 platform,
"Before you figure out why every step of porting the code is necessary, don't do the so-called porting. ...[Details]
Introduction
The Kalman filter combines the state estimate of the system at the next moment with the feedback obtained from the measurement to finally obtain a more accurate state estimate (pr...[Details]
With the development of intelligent driving, vehicle networking and electrification technology, traditional distributed control architecture is difficult to meet the requirements of performance, ef...[Details]
1. Check the schematic diagram to determine the IO port that needs to be controlled
Open the schematic diagram and confirm that the IO ports to be controlled are GPF0, GPF2, GPG3, and GPG11
...[Details]
On February 7, 2024, Chongqing Municipal Economic and Information Commission issued the Chongqing Digital Energy Low-Carbon City Development Action Plan (2024-2026) (Draft for Comments), which ment...[Details]
Recently, four students from the Diocesan Boys' School in Hong Kong developed an ultra-small humanoid
robot
with a height of only 141 mm
, which once again broke the record of "the world's ...[Details]
OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
First, we need to focus on the various materials in the motor and examine them in the following order:
1. Insulation material: ensure the highest temperature it can withstand.
2. Magnet: ...[Details]
Preface With the improvement of living standards, the demand for intelligent furniture has gradually emerged, and the application of data collection such as temperature and humidity has also begun to...[Details]
Analog electronics
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