-
On February 8, according to Phone Arena, the Samsung Galaxy S21 Ultra is about to come to an end, and the new flagship Galaxy S22 series will be on sale soon. It is reported that the purchas...[Details]
-
Overall system design
3.1 System design principles
The quality of an application system development plan is closely related to the developer's understanding of the system itself. It is blind and ...[Details]
-
1. Introduction
In the traditional variable frequency speed regulation system composed of general frequency converter, asynchronous motor and mechanical load, when ...[Details]
-
1. Classification of amplifier circuits There are many types of amplifier circuits. According to the operating frequency, they can be divided into: DC amplifier, low frequency amplifier, intermedi...[Details]
-
The function of the RC oscillator inside the 16C71A/D converter is to provide a clock source for A/D conversion when the MCU is in sleep mode (the main oscillator is stopped). This RC oscillator canno...[Details]
-
This article takes an incorrect design scheme as an example, deeply analyzes the charging and discharging, polarization and dynamic changes of polarization voltage of lead-acid batteries, deduce th...[Details]
-
ASUS ROG gaming phone 5s and 5s Pro were released overseas. Compared with the ROG gaming phone 5 series released in the first half of the year, the new models have been upgraded to Qualcomm Snapdrago...[Details]
-
After the P40 was released in China, Yu Chengdong said in an interview with the media that this phone no longer has any Google products, and Huawei phones do not need to use American components becau...[Details]
-
Apple today released the third public beta of watchOS 7 to public beta users. Public beta users can download the watchOS 7 update after installing the appropriate profile from the Public Beta web...[Details]
-
/* When using the 51 series MCU, it is sometimes necessary to simulate the I2C bus. */ /* Here is an example (read and write serial EEPROM chip at2402) */ /*******************************************...[Details]
-
Code written in C: delay=0x64; while(--delay); The compiled assembly source code is as follows: ;SOURCELINE#62 00107F64MOVR7,#064H;2B,2CLK 0012? C0006: ;SOURCELINE#63 0012DFFEDJNZR7,? C0006;2B,2/...[Details]
-
With the development of submicron technology, the density of FPGA chips continues to increase, and with its powerful parallel computing capabilities and convenient and flexible dynamic reconfigurab...[Details]
-
With a seemingly endless supply of new I/O standards, it is no surprise that embedded system designers continue to rely on FPGAs to implement their systems’ increasingly important external I/O interfa...[Details]
-
This paper analyzes the traditional image dot matrix acquisition principle and the storage format of BMP images, finds the internal connection between them, and thus realizes the rapid acquisi...[Details]
-
On November 11, sources Jukanlosreve and yeux1122 revealed that both Apple and Samsung's ultra-thin high-density battery projects have failed in development. The two companies had previously attemp...[Details]