I use the following method to control the ultrasonic generator to send ultrasonic waves
On the left are two complementary outputs, a 50% duty cycle, and a 40KHz square wave frequency.
In the middle is...
I would like to ask the moderator, for the helper2416 development board, the driver fails to create a device node by calling class_create. Is it because the root file system does not support the udev ...
【Chuanglong TL570x-EVM 】Review 01 - UnboxingPhysical appearanceThis industrial control board of Chuanglong is of high quality, and is designed and manufactured with great care. It has good stability a...
Power Factor CorrectionPower factor correction (PFC) is mainly used to improve the ratio of effective power to apparent power at the input of the power supply. It is one of the common circuits in swit...
[size=4] Ultra-low standby power consumption of less than 90mW without auxiliary AC/DC power supply reference design. The PMP21251 reference design uses the UCC28056 CRM/DCM PFC controller, UCC256304 ...
Based on foreign news on the 11th, senior U.S. government officials told Reuters that U.S. President Biden and Japanese Prime Minister Fumio Kishida are expected to discuss common security and global...[Details]
On October 21, Grinda announced that the company's operating income in the first three quarters of 2021 was 532 million yuan, a year-on-year increase of 25.88%; the net profit attributable to shareho...[Details]
Preface IIC communication: two-wire SDA/SCL Tip: The following is the main content of this article. The following cases can be used for reference 1. Scenario 51 MCU analog I/O configuration SDA/S...[Details]
According to foreign media reports, Rohm Semiconductor announced that Lucid Motors has become a customer of the company. Lucid will use Rohm's silicon carbide semiconductor (SiC MOSFET) in the on-boa...[Details]
Infineon Technologies and Paiand Develop 3D Depth Sensing Technology for Magic Leap 2 to Enable Cutting-Edge Industrial and Medical Applications Augmented reality (AR) applications will fundament...[Details]
The latest progress of the nearly two-year-long case of UMC being accused of stealing Micron's secrets has been made public recently. The San Francisco branch of the Northern District Court of Califo...[Details]
According to official news from Ruinajie Semiconductor, Wuhan Ruinajie Semiconductor Co., Ltd. (hereinafter referred to as "Ruinajie Semiconductor") recently obtained tens of millions of yuan in Pre-...[Details]
An investor asked a question on the investor interaction platform: Hello, does Han's Laser have a high-speed laser film making machine for lithium battery tab cutting? On November 25, Han's Laser (0...[Details]
What is the cause of transient noise in TPA1517? The transient buzz discussed in this article refers to the unpleasant noise that can be heard when the part exits standby mode and when the po...[Details]
If you have learned MCS-51 microcontroller, then you can learn AVR microcontroller. It is better to transition from MCS-51 to AVR. If you skip MCS-51 and directly learn AVR microcontroller, it will b...[Details]
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The initial duty cycle is 90% when powered on, and the LED displays normal brightness. Once the key is pressed, the duty...[Details]
The automobile engine cooling system is one of the six major systems of the engine. Its function is to dissipate part of the heat absorbed by the heated parts in a timely manner to ensure that the ...[Details]
Recently, some netizens discovered that the slogan of the Baidu APP startup page has been changed from "Baidu it, you will know" to "Baidu it, life will be better". The industry believes that the n...[Details]
This morning, Li Xiaolong, vice president of Huawei's mobile phone product line, posted his first VLOG on Weibo, in which he clarified some issues related to pollen. 1. Why did you choose to make m...[Details]
Blast furnace under-tank control system based on PLC
The blast furnace capacity of the ironmaking plant of a steel company is 380m3. The raw materials used for blast furnace ironmaking are...[Details]