What does the outer diameter of the MULTI-LAYER color ring mean? The blue color ring is the drill hole, and the drill hole size is the inner diameter. The gray color ring is the outer diameter. What d...
2019 is almost halfway through, and tomorrow will be the time for many students to become famous. Looking back on my senior year of high school, I was both excited and nervous. I was excited because I...
Longmen Grottoes are located in the Yique Gorge, 6 kilometers south of Luoyang City. Because it is located in the south of the capital, the ancient emperors called themselves "the true dragon emperor"...
PrefaceAfterthe release of Bluetooth 5 protocol, Nordic took the lead in launching the chip nrf52840 that supports ble5.0 protocol. The powerful configuration is simply outrageous for me who has used ...
I browsed around on Taobao but couldn't find it. The input is a 5V USB plug, and the output is 2 wires (or terminals) of 1.5V. It's not hard to make it yourself, but I don't want to work hard....
On January 25, the reporter learned from the plenary meeting of the delegation of the Haixi Mongolian and Tibetan Autonomous Prefecture at the second session of the 14th Provincial People's Congress t...[Details]
STMicroelectronics' HB2 650V IGBT series uses the latest third-generation Trench Field Stop (TFS) technology to improve energy efficiency and performance in designs of medium- and high-speed applicat...[Details]
China Energy Storage Network News:
Recently, State Grid Zhejiang Electric Power released the "Construction Plan for a Provincial Demonstration Zone for a New Power System with New Energy as...[Details]
In 2002, General Motors released a concept car, Hy-wire. This concept car formally established the concept of skateboard chassis in the automotive industry. At that time, GM believed that the skatebo...[Details]
Matching an antenna to an application requires accurate antenna measurements. Antenna engineers need to determine how an antenna will perform in order to determine if it is suitable for a particula...[Details]
In the last issue of "Juchuang Popular Science", the editor organized "Why this microcomputer dust meter will become a more cost-effective dust meter?" This article gives you a graphic introduction t...[Details]
On July 30, the AI PC strategy and first chip launch conference of Cixin Technology Group Co., Ltd. (hereinafter referred to as "Cixin Technology") was held in Shanghai, and its first heterogen...[Details]
Batteries, motors and electronic control systems are the three key components of new energy vehicles, among which the power battery is the most critical link, which can be said to be the "heart" of n...[Details]
The latest research report released by Strategy Analytics points out that global shipments of foldable smartphones will grow from less than 1 million units in 2019 to 100 million units in 2025. Samsu...[Details]
The following will explain the rotation principle of the brushless motor according to steps ① to ⑥. For ease of understanding, the permanent magnet is simplified from a circle to a rectangle.
...[Details]
Many beginners are confused by the shift algorithm, which is in the form of (1 X). When experts write programs, they are used to using the shift algorithm to write the use of each register. For examp...[Details]
When selecting a vortex flowmeter for measurement, many aspects need to be considered, such as performance, fluid characteristics, installation specifications, environmental impact, etc. Let us analy...[Details]
Circuit Basics
1.
Analog signal and digital signal:
The object processed by electronic technology is the electrical signal carrying information, which can be divided into two catego...[Details]
This article analyzes the principles and working characteristics of high-power LEDs. The characteristics of LEDs also determine the performance requirements of the driving power supply. LED lightin...[Details]
STM8L_14_LoRa_RX+TX: Function: RTC timed wake-up, LoRa wireless transceiver, serial port print transceiver data RTC sends every 10 seconds, active-halt mode low power wake-up, LoRa data transmissi...[Details]