As shown in the figure, the output of the built-in DAC of STM32 is a step wave, which is amplified by the amplifier circuit to drive the piezoelectric ceramic. However, after the piezoelectric ceramic...
Feedback circuits are widely used in various electronic circuits. Feedback is to feed back part or all of the amplifier output signal (voltage or current) to the amplifier input terminal to compare wi...
The USB Power Delivery (PD) standard supports up to 100W of power delivery over USB, which is enough to drive high-power devices such as laptops, monitors, and DLP? movie projectors. USB PD adapters ...
Recently, Qorvo mentioned in an article :
As a RADxSM-supported company, Qorvo works with the RADx SM Variant Working Group to regularly validate the Omnia SARS-CoV-2 Antigen Test's response to emergi...
[i=s]This post was last edited by littleshrimp on 2021-7-15 09:00[/i]It's probably like this. I want to add a piece of data in a row of the two-dimensional array rx_data to the specified position of k...
- Support customers to easily search for Merck products in the Reaxys database - Reduce barriers to new chemical reactions for customers and help speed up research DARMSTADT, Germany, June 26, 2...[Details]
OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
When using JLINK to download the arm chip, the following error is prompted:
No ARM chip found
Voltage is 0
In this case, it is generally the connection between JLINK and...[Details]
According to China Business Daily, under the leadership of HUAWEI, as the Android phone camp collectively focuses on foldable screen phones, foldable screen phones are expected to become a brea...[Details]
Abstract:
This design mainly realizes that the LED display changes its brightness with the ambient light to avoid unclear display during the day or dazzling at night due to too bright; and com...[Details]
Recently, Ruixinwei stated in its reply to the Shanghai Stock Exchange's inquiry letter that the company's high-end image chip customization business AS05 has achieved mass production in June 2016. C...[Details]
The invention of the electron tube is as dramatic as the discovery of penicillin and tires: there were several uncleaned lab dishes near the windows in the laboratory, and some mold accidentally f...[Details]
The ultrasonic ranging module, 51 single-chip microcomputer connected to 12864 LCD, HC-SR04 ultrasonic module, can be used. I haven't looked at the specific program and don't know the hardware of the...[Details]
Nowadays, the decline in subsidies for new energy vehicles has become the norm, and the role of government subsidies in supplementing net profits will only become smaller and smaller. It is learned...[Details]
On August 18, Chenan Technology released its 2021 semi-annual performance announcement, stating that its revenue in the first half of the year was 510 million yuan, a year-on-year decline of 19.56%; ...[Details]
1. Introduction LED has developed rapidly in recent years due to its long service life, wide viewing angle, high brightness, and colorful features. It is the fourth generation of new energy afte...[Details]
Vodafone Group warned that if other countries follow the UK's lead and limit Huawei's market share, it would cause "huge and disruptive" costs and delay Europe's telecom network upgrades by up to fiv...[Details]
If there is a complaint about Apple's MacBook series, the butterfly keyboard is definitely one of them. Although the butterfly keyboard can make the keyboard thinner, it feels bad and is prone to var...[Details]
The S120 encoder is a high-precision rotary encoder that is widely used in industrial automation, robotics, CNC machine tools and other fields. The S120 encoder has a variety of models, and the par...[Details]