[i=s]This post was last edited by Tiantian1 on 2021-11-17 15:08[/i]This is someone else's circuit diagram. I don't understand the upper right corner. VIN inputs 12V. I don't know what the circuit comp...
[i=s]This post was last edited by RCSN on 2021-12-25 08:49[/i]In the previous post, Playing with AT32F437 (4) --- Using SPI transmission as an example to explore the internal flash performance , the a...
GND is the abbreviation of the ground terminal of the wire. It represents the ground wire or the zero wire. GND (Ground) on the circuit diagram and the circuit board represents the ground wire or the ...
As shown in the figure, the 10khz peripheral circuit has a duty cycle of about 0.15. How to reduce its duty cycle? Attached is its data sheet: https://wenku.baidu.com/view/d5edb5bd05a1b0717fd5360cba1a...
I am a little confused about the calculation of constant voltage BUCK inductor. The input voltage range is required to be 176-265Vac, the output is 9V/1A, the efficiency is 91%, and the core is EE10. ...
With the advancement of technology, electronic scales made of weighing sensors have been widely used in all walks of life, realizing fast and accurate weighing of materials. Especially with the emerge...[Details]
Amplifier
The power amplifier, also known as the PA or "amplifier", is the most basic device in the audio system. Its task is to amplify the weak electrical signal from the signal source (...[Details]
1. USB card package full process explanation Initialize USB peripherals at power on // For operation with and without battery, if there is no battery, it will be initialized after power-on; if ther...[Details]
Application of ultrasonic flaw detector for non-destructive testing and introduction of related parameters
Ultrasonic flaw detector is a portable industrial non-destructive flaw detection instrument,...[Details]
With the rapid development of LED lighting industry, the LED power supply market is also expanding rapidly. On the one hand, traditional power supply manufacturers have launched LED power supply ...[Details]
1. Introduction
In the measurement of electrical quantity, voltage, current and frequency are the three most basic measurements, and voltage measurement is the most common. The digital multimet...[Details]
There are many occasions when it is necessary to measure the temperature of a laser, transistor, or printed circuit board with considerable accuracy. Thermistors are often chosen as temperature sensor...[Details]
A set of excellent audio equipment must be equipped with high-grade wires. The choice of wires, the materials used for wires, and the impact of the manufacturing process on the overall quality of t...[Details]
Si Weiguo, Deputy General Manager of State Grid Zhejiang Electric Power Co., Ltd. and General Manager of Hangzhou Power Supply Company
Accelerating the construction of ubiquitous power Interne...[Details]
When STM32 starts by default, the three pins PB4, PB3, and PA15 are not ordinary IOs, but JTAG multiplexing functions, namely JNTRST, JTDI, and JTDO.
When we try to use the SWD interface to debug the...[Details]
I have recently started using the stm8s103k3 microcontroller. It is said to be very good, and it is indeed good. A few days ago, I have tried the functions of GPIO, Timer2, and ADC, which are al...[Details]
Madrid, December 10 (Xinhua) -- The Global Energy Interconnection Development and Cooperation Organization released a report on climate change in Madrid on December 9, saying that the large-scale d...[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]
Allegro MicroSystems (hereinafter referred to as Allegro), a global leader in sensing technology and power semiconductor solutions for motion control and energy-saving systems, recently announced t...[Details]
According to foreign media reports, in terms of vehicle navigation, researchers from Nanjing University of Aeronautics and Astronautics, together with partners from Hong Kong and the UK, have devel...[Details]