The physical design of the PCB board is the last step in the design of switching power supplies. If the design method is not appropriate, the PCB may radiate too much electromagnetic interference, cau...
Dear forum friends, in the DCDC part of the above picture or the usual four-layer board, the middle layer of gray-yellow will be paved with copper to form a complete ground, but there is basically no ...
Question to everyone: Isn't esp32 a dual-mode wifi and BLE device?
Why doesn't micropython include functions for BLE? Isn't ESP32 just a slightly more powerful 8266?[b]Additional content (2020-3-22 17...
Hi, everyone~ Today I saw someone post a color PCB in the group chat, as shown below:Some netizens in the forum have shared the methods of importing pictures into PCB before, but those methods seem to...
What is a program? A program is a process. Many people don't know where to start when facing the protocol stack. Then they don't know how to fix the problem. When they raise questions, others explain ...
On July 30, Honeycomb Energy announced that its second-generation short-blade fast-charging lithium iron battery cells have been delivered in large quantities to customers at its two bases in Shang...[Details]
For new energy pure electric vehicles, the two most critical indicators are charging and battery life. With the substantial improvement of the three-electric technology in China in recent years, the ...[Details]
1. Introduction to PWM
To make the general-purpose timer TIMx of STM32 generate PWM output, in addition to the registers mentioned in the timer interrupt experiment, three other registers will be use...[Details]
0 Preface Orifice flowmeter developed earlier, mature technology, low price, international standards, high theoretical accuracy, and is widely used. However, it has many shortcomings, such as many fa...[Details]
After the semiconductor factory was inspected by US President Biden, Samsung Electronics announced a huge investment plan on May 24: it will invest 450 trillion won (about 2.37 trillion yuan) in chip...[Details]
The requirements for in-vehicle power management are becoming more demanding, requiring power supplies to operate over a wider input voltage range, higher currents, and higher temperature extremes....[Details]
When learning the timer part, I wanted to output the debugging information, so I first learned the basic functions of the serial port to facilitate the subsequent debugging. The STM8S minimum syste...[Details]
Is it necessary to install a car dsp?
The installation of an in-vehicle digital signal processor (DSP) is related to the needs. The following are some situations and recommendations for instal...[Details]
The development of science and technology has enabled us to demonstrate unprecedented capabilities in the face of this epidemic. We have seen the construction of the Vulcan Mountain Hospital in 10 da...[Details]
Abstract: MAX786 is a DC-DC converter produced by MAXIM Company. It is mainly used in small and lightweight portable devices such as notebook computers. The article introduces the working princi...[Details]
Power supply ripple definition Power supply ripple is the most intuitive manifestation of power supply performance. DC regulated power supply is generally formed by AC power supply through rectificat...[Details]
Installation conditions and precautions for steam vortex flowmeter:
Installation conditions:
1. The sensor can be installed indoors or outdoors. Environmental conditions must meet the requirement...[Details]
On January 18, the "Guiding Opinions of the People's Government of Zhejiang Province on Further Strengthening Investment Promotion Work" was issued, clarifying the overall requirements, key tasks, wo...[Details]
Everyday traffic jams pose a safety risk to vulnerable road users. According to foreign media reports, Volvo Trucks has launched two safety systems that focus on protecting pedestrians and cyclists...[Details]
PCB Design
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