[align=left][font=微软雅黑][size=4]Startups are like this:[/size][/font][/align][font=微软雅黑][size=4] [/size][/font][align=left][font=微软雅黑][size=4]A group of like-minded people, doing what they believe in a...
4.3 Jacobian Matrix The Jacobian matrix is widely used in various occasions. The Jacobian is the differential ratio of the output to the input, indicating the influence of the change (differential) of...
The battery is a 18650 parallel battery pack as shown in the picture, with a voltage of 4.2V. The maximum charging current is required to be 2A. Is there any suitable charging IC recommended?
Is this ...
[align=left]It is only 3*3*0.75mm, and can accurately detect weak ECG signals from microvolt to millivolt levels. It integrates the detection of metal probe falling off. The algorithm library provides...
There are two ways to implement buttons: query and interrupt. The initial position is in InitBoard() in OnBoard.c.OnboardKeyIntEnable = HAL_KEY_INTERRUPT_ENABLE; //Interruption method//OnboardKeyIntEn...
[p=26, null, left]When I was in college, I saw the use of MOS tubes in circuits, which was really confusing. A few days ago, I came across a document [color=rgb(103, 149, 181)][backcolor=transparent][...
Infrared thermal imagers are gradually being used in civilian applications. If you still think that thermal imagers are high-end professional equipment and military equipment, and that they are still...[Details]
The dial of the multimeter is generally marked with numbers and symbols, which indicate the performance and indicators of the multimeter. Correctly identifying these numbers and symbols is very helpf...[Details]
According to Reuters, Mercedes-Benz said today that it has opened a research and development center in Shanghai that will specialize in mobile technologies such as connectivity and autonomous driving...[Details]
The current distance can be measured. When the distance exceeds the threshold, the honey detector will alarm and display the temperature data in real time. The actual picture is as follows: ...[Details]
The energy-saving effect of LED display is well known, which is also its most eye-catching highlight for consumers and the reason for its explosive growth in recent years. Of course, after the crazy...[Details]
Efficiently and transparently obtain end-product licenses from more than 30 patent owners to enable mass adoption of cellular IoT devices
OSLO, Norway – May 20, 2024 –
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For some applications such as motors, since frequent switching on or off can easily cause system damage, we do not want an immediate response on the secondary side, but rather a response that occur...[Details]
The 2020 Olympic Games will be held in Japan, and the Japanese Olympic Committee is doing its best to prepare for this grand event. According to Japanese media reports, they have collected an...[Details]
Changdian Technology has accumulated decades of technical experience in the field of power device packaging and has a comprehensive range of power product packaging appearances, covering the packag...[Details]
1 Introduction
As an important part of AC power supply system, AC voltage stabilizer has been widely used. It can not only stabilize voltage and improve power supply quality, but also effecti...[Details]
The so-called startup code is a piece of code executed by the processor when it starts. Its main task is to initialize the processor mode, set up the stack, initialize variables, etc. Since the abo...[Details]
The development of LTE has brought many new challenges to capacity testing, requiring different testing methods and technologies from those used for 3G networks. The system architecture of LTE is flat...[Details]
By swapping the positions of the switch tube V and the diode circuit D in the SEPIC converter and the input/output relationship, we get the Zeta converter as shown in Figure 1.
The converter c...[Details]
After China's three major telecom operators launched 5G tariffs in November, China officially entered the first year of 5G. The market immediately focused on whether 5G mobile phones could have explo...[Details]
introduce FwLib_STC8 is a C language wrapper library for STC8G, STC8H series MCUs, suitable for rapid prototyping verification based on these MCUs. Project address: Gitee FwLib_STC8 Mirror address:...[Details]
DIY/Open Source Hardware
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