I received the board and I'll show it off first. I thought it was an LQFP package, but it turned out not to be. It was too hard to solder it myself, so I was a little disappointed. The board was solde...
I have had some time recently and saw some interesting anecdotes. Let me first talk about the reverse recovery of diodes in power frequency rectifier and filter circuits. A group of nerds quoted from ...
## Preface The reviewer said that I wrote it too simply, but in fact, I was scared by CDK. This article may be just to make up the numbers, but it can help beginners. # Breathing light Let me briefly ...
Today I unboxed the second board in this competition: ESP32-EYE
1. Outer packaging2. Development board + instruction card3. Power on and connect using the serial port debugging assistant 115200 8N1 to...
This week's review highlights:
- Application for Anxinke UWB indoor positioning module is open (2 pieces per person, total value 525 yuan)
- Qinheng CH582 is coming, and the main control of Qinheng's ...
Huawei officially announced that the Huawei Watch 3 flagship is back. Officially, it is said that "everything is HarmonyOS. Wisdom on the wrist, everything on the watch." It is expected that the Huaw...[Details]
Introduction to the pin functions of 8051 microcontroller First, let's connect the pin diagram of the microcontroller. If, the specific functions are introduced below.
The 40 pins of a microcontrol...[Details]
Sensitivity can be divided into AC and DC, and the unit is ohm/volt. Sensitivity is actually the internal resistance of the instrument when measuring voltage. For example, a multimeter with a DC sens...[Details]
1 Introduction
Lithium-ion batteries are widely used in GSM/CDMA and high-end portable products (such as digital cameras, camcorders, etc.) due to their advantages of small size, light weight and...[Details]
Electromagnetic compatibility (EMC) refers to the ability of a device or system to operate in its electromagnetic environment without causing intolerable electromagnetic disturbance to any object in ...[Details]
The importance of data needs no further explanation. The key is how to use it.
In the past two or three years, in various interpretations of the Internet of Vehicles, similar words are often seen:...[Details]
On January 10, MediaTek released its revenue report for December 2021. In December 2021, its operating income was NT$46.202 billion (approximately RMB 10.640 billion), an increase of 2.58% month-on-m...[Details]
Traditional I2S—Why include the system clock?
I2S has occasionally come up in our audio discussions in the past. I've mentioned it in some of my previous articles, and others have mentione...[Details]
All thin-film transistor liquid crystal display (TFT LCD) flat panel displays require at least a properly regulated VCOM signal to provide a reference point for the flat panel display backplane. Th...[Details]
Based on the analysis of common faults and fault causes of thermal instruments in power plants, faults may exist in every aspect of instrument operation. The most intuitive manifestation of faults is...[Details]
As system costs continue to fall, photovoltaic power generation is entering an era of parity or even low prices. Many consulting agencies, such as the International Renewable Energy Agency and Bloo...[Details]
introduction
Setting the reset flag bit is convenient for distinguishing resets caused by different reasons. As a new technology, it is adopted by more and more new microcontrollers. For example, t...[Details]
"Should I buy a new energy vehicle ? Which one is suitable? How much is the car subsidy? Can I get a license plate through lottery? Is there any trouble using the car?" These are the questions that...[Details]
On October 6, GM announced the launch of Ultra Cruise, a new advanced driver assistance technology designed to achieve hands-free driving in 95% of driving scenarios. After its launch in the United ...[Details]
Shunhe Hui Autonomous District organized an expert demonstration meeting of Henan All-vanadium Liquid Flow Industry Research Institute. In order to implement the innovation-driven strategy and enhance...[Details]
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