Let's first briefly introduce the operating principle of LCD. As shown in the LCD schematic diagram below, each dot in it is a pixel. Imagine there is an electron gun that emits light of various color...
A schematic diagram found on the Internet. Now replace the L in the diagram with a passive crystal oscillator, as shown belowCan this achieve oscillation? Does oscillation require R1 to be much larger...
It's not fun if you can't debug. I can't afford an expansion dock, so I soldered two DF12 (4.0) male connectors to an emulator and tried it. I searched many stores and finally found one that was reaso...
IntroductionWith the continuous development of the communication industry, mobile terminals have evolved from the original single call function to the comprehensive development of voice, data, image, ...
The screen module's power supply voltage is 11V~26V, so choose 12V, which is easier to connect. There is a socket that can output 12V. Although the board power supply does not lead to a standard inter...
In many examples in ARM tutorials, there are such words: VICVectCntl0 = 0X2E; Why can the EINT0 channel be assigned to IRQ Slot0? VICVectCntl1 = 0X2F; What slot is it assigned to? Many tutorials al...[Details]
There is a very inconspicuous component in the speaker. It is inconspicuous because it cannot be found on the surface of the speaker. Generally, except for those who want to learn more about the sp...[Details]
As a leader in the field of smart chips , ADI has been committed to promoting the development of edge intelligence technology, aiming to improve the efficiency and quality of traditional industries ...[Details]
Solid-state batteries are always brought up to attract attention every once in a while. So far, no company has started mass production of solid-state batteries for installation in cars. Although the ...[Details]
What is P2P technology? P2P is the abbreviation of peer-to-peer. In English, peer means "equals (in status, ability, etc.), "colleagues" and "partners". Therefore, P2P can be understood as "partner...[Details]
(Reporter E Xiaoying) It is predicted that the maximum power load of the Beijing-Tianjin-Tangshan power grid during the summer of 2019 will be about 69 million kilowatts, a year-on-year increase of...[Details]
Zhang Hongcai, 38th Research Institute of China Electronics Technology Group Corporation At present, the main methods for monitoring and locating oil pipeline leakage can be divided into two catego...[Details]
It’s almost a tradition for Microsoft to hold a Surface event in October, and even though everything has been postponed due to the pandemic, it won’t change this year. According to well-known leaker ...[Details]
Before
the advent of
semiconductors
, the common technique for converting DC voltage to a higher voltage was to convert it to AC voltage through an oscillating circuit, then use a step-up tr...[Details]
After the introduction of the “531 New Policy”, many domestic photovoltaic inverter companies have turned their attention to overseas, and a “remote” competition is unfolding.
In recent ye...[Details]
Recently, the Suzhou Semiconductor Laser Innovation Institute building, jointly built by Suzhou High-tech Zone and Suzhou Changguang Huaxin Optoelectronics Technology Co., Ltd., was officially put in...[Details]
According to Counterpoint Research, the iPhone 12 series has now sold over 100 million units and has driven the first iPhone sales super cycle since the release of the iPhone 6. The iPhone 12 l...[Details]
In March, there is no sign of spring at Tara Beach in Gonghe County, Hainan Tibetan Autonomous Prefecture, Qinghai Province, which is 3,400 meters above sea level. The sky is shrouded in a gray haz...[Details]
Project: 431 plus photocoupler feedback flyback Phenomenon: The output voltage regulation rate is very poor, and the voltage drops significantly as the load increases. The voltage difference between...[Details]
Toshiba is not only a century-old Japanese brand, but also a giant in the Japanese electronics and chip industries. They invented the NAND flash memory chip. However, its performance has been poor in...[Details]