I have always had an idea to make a bracelet myself. When I was playing with newbit, I wanted to use newbit to make it, but newbit didn't look like a bracelet. I bought a MINI board with NRF51822+lis3...
Input sine wave, after precision rectification, can the output be completely rectified into negative half wave, that is, convert the positive half wave into negative half wave, and the negative half w...
1 Overview In modular machine tool automatic lines, three types of slides are generally set according to different machining accuracy requirements: (1) hydraulic slides, which are used in rough machin...
On August 23rd, Geely's subsidiary, Jiyao Tongxing, announced it has the industry's largest advanced production capacity for tandao
batteries
, with eight production bases across China. Jiy...[Details]
1. Equipment Overview
Shell-and-tube heat exchangers are a common heat exchange device used in chemical evaporation and heating equipment. Currently, the tubesheets of shell-and-tube heat exch...[Details]
When you are happily watching NBA or football, your wife asks you to turn off the lights in the bedroom. Would you be depressed? Of course, unless you are not afraid of your wife.
Now you are ...[Details]
New energy pure electric vehicles generally accelerate faster than comparable fuel-powered vehicles, both from a standing start and while accelerating. Many believe this is simply due to the motor'...[Details]
Introduction to the principles of speech recognition technology
Automatic speech recognition (ASR) technology aims to enable computers to understand human speech and extract the textual inform...[Details]
On August 25th, SK Hynix announced that it has completed development and entered mass production of its 321-layer, 2Tb QLC NAND flash memory product. This achievement marks the world's first applic...[Details]
White light LEDs are voltage-sensitive devices. In actual operation, their upper limit is 20mA. However, the current often increases due to various reasons during use. If no protective measures are...[Details]
The Automotive Testing and Quality Assurance Expo (ATE 2025) will open on August 27th. At the expo, Rohde & Schwarz (R&S) will showcase six automotive testing solutions, themed "Intelligently Drivi...[Details]
1 Source of creativity
With the further development of electronic technology, electronic pets have gradually entered people's family life. At present, there are two main categories of relative...[Details]
Since its invention in the mid-1940s, the microwave oven has evolved from a humble beginning to commercial use, entering homes in the 1960s and rapidly gaining popularity. Its basic functionality a...[Details]
With the development of science, the use of variable frequency technology is becoming more and more widespread, and it is used in both industrial equipment and household appliances. Inverter air co...[Details]
A multilevel inverter converts a DC signal into a multilevel staircase waveform. Instead of a straight positive-negative output waveform, the output waveform of a multilevel inverter alternates in ...[Details]
Inverter power supplies on the market can generally be divided into two categories: sine wave inverters and square wave inverters. Some engineers also like to categorize pure sine wave inverters as...[Details]
Common methods for troubleshooting roller press bearing wear include repair welding, thermal spraying, brush plating, and scrapping and replacement. However, these methods are often subject to asse...[Details]
We often hear about the precautions for using pure electric vehicles in winter, and many owners even develop relevant strategies, such as adopting a "charge as you go" principle for their vehicles,...[Details]