EU mobile phone roaming charges are expected to drop by 70%, and business people will benefit 2006-7-14Despite strong opposition from European mobile operators, Vivian Reding, the European Commissione...
I would like to ask if there is any difference between placing R2 directly at the I/O and directly at the base and emitter of the transistor (please ignore the collector content, I have omitted it)? S...
It has been a long time since I received the TLP3547EVM. It is mainly used to test the power on and off of the GPRS module controlled by TLP3547. If the photorelay is not turned on, the power is disco...
Designing Wide Input DC/DC Converters for Solar Inverter Applications : https://training.eeworld.com.cn/course/5266What you need to know about wide input DC/DC converters when designing solar inverter...
The advent of Smart Battery Systems (SBS) has greatly simplified the design of stand-alone battery systems, so its application has gone beyond the notebook computer field and has appeared in ...[Details]
Product application knowledge and performance testing are as follows:
(1) Soldering with a soldering iron: The tip temperature of the soldering iron (maximum 30W) should not exceed 300°C; t...[Details]
On January 18, Jianghuaiwei released an announcement of the expected increase in annual performance in 2020. According to preliminary calculations by the financial department, the net profit attribut...[Details]
Zhuhai Chuangzhi Technology Co., Ltd. has been deeply engaged in the intelligent logistics industry for more than ten years, especially in the new energy industry, where it has mature a...[Details]
Summary: costdown Preface: I thought the transplantation would be smooth, but although the 130 chip is the core of M3, in fact, the external PIN and GPIO register structure is consistent with M0, an...[Details]
As Apple expects to increase production of the iPhone 13, which will be launched in September, the company's suppliers in China are facing a labor shortage. This is because young Chinese people have ...[Details]
In November 2020, after Qian Dongqi and his team completed comprehensive planning and preparation for Tineco's Double 11 promotion, waiting for a concentrated burst of data became the key for them...[Details]
According to the data from the "2020 China Home Appliance Industry First Quarter Report" compiled by the China Household Electrical Appliance Research Institute and the National Household Electrical ...[Details]
On December 29, according to the latest report from Korean media, BOE's OLED screen will launch a "Chicken Game" against Samsung from 2020 to 2021, and will start supplying OLED screens to the iPhone...[Details]
On the morning of May 9, since the launch of the first generation of AirPods in December 2016, Apple has begun to fully explore its potential in audio headphone products. Now, their wireless h...[Details]
Preface
As people's quality of life improves, smart buildings have become a trend. In smart buildings, the safe and stable operation of elevators is crucial. However, this is difficult to ...[Details]
1 Introduction
Based on the objective fact of electromagnetic wave anomaly before earthquake, the short-term reflection ability of electromagnetic radiation anomaly can be used to corr...[Details]
According to news on December 21, Intel CEO Pat Gelsinger said in an interview recently that Intel’s 18A process is comparable to TSMC’s N2 process. However, Gelsinger said that in terms of backside ...[Details]
With the increasing requirements of the mold industry and the aviation manufacturing industry for processing speed, processing accuracy and surface quality, as well as the development of high-speed pr...[Details]
Overview
Photoelectric direct-reading water meters launched in the market in recent years have gradually been accepted by the water supply industry and become mainstream products on the market ...[Details]