What are the circular circuit board design considerations and guidelines ?Nowadays, PCB boards are available in a variety of shapes. Although square and rectangular PCBs are still the most common, wit...
Can a PC's USB port control a digital camera and a microscope (illumination brightness adjustment + objective lens turret)? Can software and hardware do this?...
The models currently promoted by TI are:
BQ27541, BQ27741, BQ27510, BQ27520, BQ27531/530, BQ27421/441, BQ27425.1. Consider the package BQ27741 BQ27520 BQ27425BQ27530/BQ27531 are CSP packages, which ha...
After the second-order low-pass filter and the in-phase proportional amplifier circuit are connected in series, the first-order grounding capacitor is not grounded, but directly connected to the outpu...
In the ARM architecture, it can work in three different states: ARM state, Thumb state and Thumb-2 state, and debug state.
The Embedded System Development and Application Tutorial (2nd Edition) says t...
Basic knowledge of high frequency circuits
Why should we learn about high-frequency circuits?
Electronic circuits can be divided into analog circuits and digital circ...[Details]
EEPROM Data Memory ATmega8 contains 512 bytes of EEPROM data memory. It exists as an independent data space and can be read and written byte by byte. The life of EEPROM is at least 100,000 erase cy...[Details]
This article shows how to compensate an amplifier that is normally stable at gains of 9 and above, such as the ADA4895-2, so that it can operate at gains as low as 2, providing a higher slew rate and...[Details]
Benefiting from the upgrading of market consumption and people's higher requirements for driving experience, smooth smart cockpit experience has gradually become the mainstream demand of the automoti...[Details]
Recently, Huawei Technologies Co., Ltd. has added a number of patent information, including "a thermal management system and electric vehicle" and "a vehicle control method and related equipment." ...[Details]
With the rapid development of information technology combining multimedia technology and communication technology and the widespread application of the Internet, the PC era has also transitioned to t...[Details]
Resonators and oscillators are often confused. After some time of comparison, I have sorted them out. We are used to calling them crystal oscillators, but this term is actually very vague. Here, th...[Details]
1. Sound measurement method The use of acoustic measurement method is a common method for cable fault location from the past to the present, and it is also an effective method. However, the instr...[Details]
PWME works in 8-bit mode and enables or disables the corresponding channel PWMPOL sets the polarity of the corresponding channel PWMCAE sets the alignment of the corresponding channel PWMPER sets the...[Details]
The execution steps of using the printf function of STM32 to print information to the serial port are: 1. Redirecting printf function Add the following function to the uart.c file: int fputc(in...[Details]
It can be implemented in the application. Do not change the kernel driver. Write a small program: #include stdio.h #include fcntl.h #include sys/ioctl.h void keep_LCD_screen(void) { ...[Details]
Detection system
This concept is the product of the development of sensor technology to a certain stage. The detection system is
an organic combination of
sensors
and measuring instrum...[Details]
After taking a big step forward by launching the Galaxy brand, Geely still needs to make up for its shortcomings in intelligence. On March 19, Geely's Lynk & Co brand released its third-generation ...[Details]
1. Overview
In recent years, the interface of hard disks, as data storage media, has become increasingly intelligent, and their capacity has been increasing, while their size has been decreasi...[Details]
The "call" instruction in the ABB robot programming instructions is a very important instruction, which allows the programmer to call another program or subroutine in the program.
Overvi...[Details]
PCB Design
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