PWM is generated by the microcontroller, with a frequency of 20K. After RC filtering, it becomes DC, that is, the voltage at point A is DC voltage.
The problem during debugging is that I don't give PW...
[align=left][b]Origin of the event:[/b]This Q&A session is an Easter egg after the end of Vicor's theme event "[url=https://www.eeworld.com.cn/huodong/Vicor_PowerAverage_20190318/index.html]Power Supp...
The ADCs used in the projects I have worked on are all on-chip ADCs of DSP. The advantage of using on-chip ADCs is that they have fast conversion speeds and save costs, which are advantages over off-c...
One day, Anan's good friend A Ping, who is a pilot, asked to borrow his car. Xiao Ming, who had been trembling with fear since Anan lent it, saw him and asked him , "What are you worried about? Are yo...
When choosing an oil chromatograph, many factories will also talk about how to judge whether an oil chromatograph is suitable for selection. Only after finding a good oil chromatograph can its entire ...
[backcolor=rgb(222, 240, 251)]I am making a wearable device, and the battery does not use the BTB interface because the cost is relatively high. [/backcolor] [backcolor=rgb(222, 240, 251)]I want to as...
0 Introduction
Cables are widely used, and short circuits or disconnections often occur after long-term use. At present, the cable continuity test in many industries in China is still in the manual ...[Details]
Jiwei.com reported on February 4 that last night, ZTE executive Lu Qianhao published an article praising the first generation of OPPO Find X. He said that the first generation of OPPO Find X can be s...[Details]
On May 14, ASML and Wuxi High-tech Zone held a signing ceremony for the ASML Lithography Equipment Technology Service (Wuxi) Base. It is reported that ASML's lithography equipment technical service...[Details]
1. What is the buzzer function used for? Answer: The buzzer function is an additional function of the multimeter, usually in the 2KΩ range. Generally, when measuring a circuit (or res...[Details]
/* Name: Some issues about STM32 GPIO pins Description: When I was writing a keyboard scanning program today, I encountered some problems. Some pins can read the level status, but some pins can no...[Details]
1. By burning the exported Hex, the EEPROM content will change according to the definition of EEPROM in Hex. 2. Burn by compiling the source file. If Preserve EEPROM on program is not checked, the ...[Details]
I want to transplant uboot1.4 to the board, but I failed after a long time. I am determined to understand the principle and process of uboot, so I decided to write a simple bootloader to sort out what...[Details]
A soft starter is a power electronic device used for motor starting. It can effectively reduce the current shock during starting, thereby protecting the motor and the power grid. However, in some c...[Details]
Recently, Shenzhen Basic Semiconductor, a leading company in the domestic third-generation semiconductor industry, announced a major news: a new energy vehicle equipped with Basic Semiconductor's sil...[Details]
Smart speakers like Amazon Echo or Google home are becoming more and more popular nowadays, and they both have the ability to integrate custom skills or actions to control any device using these sm...[Details]
1. OverviewLED
full-color display is a new type of indoor and outdoor large-size electronic communication media. It has the characteristics of large size, good environmental adaptability, high bri...[Details]
The oval gear flowmeter is a volumetric flowmeter, also known as a displacement flowmeter. It is a type of flow meter with higher measurement accuracy.
The oval gear flowmeter consists of a meterin...[Details]
This week, Android 11 Beta was officially pushed, and the Pixel 2 series and above were the first to be upgraded. However, soon after, a number of domestic Android phones also announced that ...[Details]
"Hot plugging" refers to inserting or removing a card from a powered host (backplane, server, etc.). It is mainly used in base stations, redundant arrays of disks (RAID),
Re...[Details]
Function: Send out the content received through the serial port. What you see on the PC is that what you input in the serial communication software will be displayed in real time. Main file: serial...[Details]