The target value is reduced to about -110V. Figure 1 shows the secondary winding RCD circuit parameters of the auxiliary power supply. The output is 12V, about 5A, the total output power is about 70W,...
The data coherence problem of L1D cache used by default when C6678 multi-cores exchange data in MSMCis very troublesome.A small test verifies that the linesize of L1D cache isinitialized to 64Byte:if(...
[i=s]This post was last edited by RCSN on 2021-7-12 18:00[/i]For details of DIY projects, see this postThe previous host computer UI theme was really ugly, so we optimized the UI and created a wireles...
[b][size=4] [/size][/b] [b][size=4] As the title: Summarizes the common problems in LoRa development and shares them. Welcome to download and exchange :). [/size][/b] [b][size=4] [/size][/b]Common pro...
IntroductionFace recognition, the challenge of identifying and verifying faces in photos, is a simple problem for humans but a complex one for computers. After 60 years of research, recent advances in...
Qualcomm CEO Cristiano Amon said that if the European automotive chip incentive plan can attract the right partners, he is willing to cooperate with European foundry companies. "If the situation occu...[Details]
On July 30, Suzhou Samsung Electronics Computer Co., Ltd. (SESC) issued a notice announcing layoffs, retaining only the R&D department. According to the leaked "Notice to Employees", the layoffs were...[Details]
(1) In the AVR device manual, the fuse bit states are defined as programmed (Programmed) and unprogrammed (Unprogrammed). "Unprogrammed" means the fuse state is "1" (disabled); "Programmed" means the...[Details]
Working principle and structure of intelligent vortex flowmeter
1. Working principle
A vortex generator (baffle body) is set in the fluid, and regular vortices are generated alternately from b...[Details]
According to data from the National Health Commission, the overall myopia rate among children and adolescents in my country was 52.7% in 2020, ranking first in the world. Most children's myopia is ...[Details]
1. Introduction to 21 registers
There are four main functional modules inside the 51 series microcontroller, namely I/O port module, interrupt module, timer module and serial communication mo...[Details]
In January 1954, the first 220 kV ultra-high voltage transmission line designed and constructed by New China, the 220 kV Song (Fengman) Dong (Dongling) Li (Lishizhai) transmission line, was complet...[Details]
DOOGEE, a domestic manufacturer specializing in rugged smartphones, has announced the launch of its latest model, the S59 Pro. The brand's upcoming smartphone will debut on December 15 at 11:00 am Be...[Details]
introduction
There are two design schemes for special monolithic switching power supplies: the first is to use a general monolithic switching power supply integrated circuit (such as TOPSwitch-Ⅱ,...[Details]
Recently, electronic engineer netizens have often raised the question that in system design, a very confusing issue is how to choose a reasonable and applicable isolator. Not long ago, this websi...[Details]
Relationship between conductor cross-sectional area and current
The general copper wire safety calculation method is:
The safe current carrying capacity of
2.5 square millimeter copp...[Details]
Introduction With the rapid development of China's economy, people's demand for private cars and buses is increasing. Correspondingly, after China entered the WTO, China's economy and trade...[Details]
8-bit MCU implements double-byte division subroutine
51 single-chip microcomputer is only 8-bit, but sometimes it is necessary to implement double-byte di...[Details]
For modern electronic systems, due to their complexity, ripple noise is not limited to AC-DC, but also DC-DC. The existence of ripple and noise can cause many hazards and affect the normal operation ...[Details]
The basic circuit of the capacitor step-down simple power supply is shown in Figure 1. C1 is a step-down capacitor, D2 is a half-wave rectifier diode, D1 provides a discharge circuit for C1 during the...[Details]