The chopper module is used to add a high-frequency carrier signal to the PWM output.
This module is optional. Its function is to modulate the PWM signal with a high-frequency signal (up to 8 times the...
This content is originally created by EEWORLD forum user Qi IC Kan MCU . If you want to reprint or use it for commercial purposes, you must obtain the author's consent and indicate the source.Before d...
This is the data of an NMOS tube. When testing VGS(th), how many V should the VDS voltage be?
The test conditions only state: ID=250uA, VDS=VGS, and it does not specify the V voltage used for VDS.
I h...
How to design a high-precision CT phase meter using an independent metrology ADC : https://training.eeworld.com.cn/course/5292This module provides details on the characteristics of shunts and current ...
PCB design is one of the necessary design skills for every electronic engineer and is an important part of electronic product design. This article collection lists some basic knowledge of PCB design, ...
Compared with traditional cars, electric cars have the advantages of high energy conversion efficiency, low noise, and zero emissions. At the same time, due to the load-carrying capacity and wide s...[Details]
AD636 with a single-chip A/D
converter
can form a true RMS digital voltage/level meter.
When selecting DB measurement mode, S3 should be set to "DB". At this time, the circu...[Details]
0 Introduction
In electrical measurement and control systems, it is often necessary to collect various analog signals and digital signals and process them accordingly. In general, ordinary MCUs (suc...[Details]
PM2.5 , also known as aerosol, refers to ultrafine suspended particles with a diameter of less than or equal to 2.5 microns, also known as respirable particles, which are invisible and deadly "kill...[Details]
When writing an interrupt service routine (ISR), you need to know the interrupt number to inform the 51 kernel which interrupt this interrupt service routine is responding to. So, from the above si...[Details]
5G, 6nm, R16, chip shortage! Sneak peek at the Spreadtrum Ecosystem Summit ! 2021 Spreadtrum's most hardcore summit How beautiful is it? Without further ado, here’s an exclusive spoiler for the first...[Details]
On September 11, local time, Wamsi Mohan, senior equity research analyst at Bank of America Merrill Lynch, praised Apple's pricing strategy for the iPhone 11 on the CNBC program Squawk Alley. Regardi...[Details]
As energy costs rise and consumers become more aware of energy conservation in home appliances, governments around the world have introduced stricter energy efficiency standards or high energy ef...[Details]
Nowadays, the times are developing so fast. Although digital multimeters have been widely used, pointer multimeters still have their unique advantages and are still in use. For example, if you need t...[Details]
Introduction:
Development Board Shenzhou King STM32F207 Development Board
Problem Description:
When using emwin, due to the large number of variables occupied, the embarrassing situation of insuff...[Details]
1 Introduction
With the popularity of various vehicles such as cars, the demand for vehicle navigation equipment has become increasingly strong. As a vehicle-mounted device, it must not only ...[Details]
3D depth sensors play an important role in in-vehicle monitoring systems, enabling innovative car cockpits, seamless connectivity to new services, and greater passive safety. They are essentia...[Details]
Microcontroller MCU
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