The figure below is the circuit diagram of a common base amplifier circuit. This type of circuit inputs signals from the emitter and outputs signals from the collector. However, the direction of the b...
This article introduces how to play videos in Sipeed LicheeRV 86 Panel.
The Tina image has a built-in FFmpeg software package, which can be used for video playback.
Introduction to FFmpeg
FFmpeg (Fast...
In the previous post, I learned about the Bluetooth LED control and button status feedback routines of Silicon Labs BG22-EK4108A. The most important ones are the following services and characteristic ...
How do you deal with the upgraded mobile phones and computers, obsolete or scrapped electronic devices? Replace the stainless steel wash basin, repair it for another three years, sell it second-hand, ...
1. Basic requirements:
(1) It has general playing functions and variable volume (at least two levels)
(2) Realize the automatic playback function of a song
(3) Function of digitally displaying musical...
1) Sufficient confidence, perseverance and patience A classmate once asked me whether the microcontroller technology is difficult. I think this question needs to be analyzed from two aspects. Fir...[Details]
On November 24, local time, the Bureau of Industry and Security (BIS) of the U.S. Department of Commerce added 27 entities and individuals in China, Japan, Pakistan and Singapore to the Entity List f...[Details]
Beijing Soying Electric Technology Co., Ltd. will participate in the 6th Shanghai International Solar Energy Exhibition and Conference (SNEC 2012) from May 16 to 18, 2012, with its ES series energy...[Details]
The first TCT Shenzhen Exhibition will be held at the Shenzhen Convention and Exhibition Center from October 15 to 17, 2019. There are four highlights at this exhibition. 1. Cost-effective producti...[Details]
The rise of new energy vehicles, from Europe and China, can be thanked to Tesla and the California government. It is precisely because of Tesla's products and California's increasingly stringent emis...[Details]
1. USB power PD3.0 fixed PDO
2. USB power PD PPS PDO
3. Support 20W~35W PDO configuration
4. USB TYPE-C, CC-Logic 5V/3A
5. Support dual-port Type C fast charging and single powe...[Details]
For small power supplies, critical conduction mode (CRM) APFC is generally used. It appears when the sine wave crosses zero, which can change the switching frequency and make the switching frequency v...[Details]
According to foreign media reports, on Wednesday, BrainChip became a new player in the security field, launching a new artificial intelligence software called "BrainChip Studio", which they believe w...[Details]
The car driving recorder (car black box) is a digital electronic recording device used in cars. It can store the car's driving speed, time, mileage, brake and other status information and export d...[Details]
RTDS (Real Time Digital System) can more realistically reflect the fault characteristics of the actual power system, and compared with the analog dynamic model test system, it has the advantages of...[Details]
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Starting from the testing requirements of LTE base station equipment and terminal equipment, this article briefly introduces the various test solutions provided by Rohde & Schwarz (herein...[Details]
There are two types of marble slabs: general slabs (square or rectangular slabs) and special slabs (slabs of other shapes). In order to ensure that the joints of marble slabs are neat after paving, th...[Details]
Jiwei.com reported on July 29 that at Huawei's "New Life" press conference, in addition to the Huawei P50 series of mobile phones, Huawei also released a number of accessories. For example, the Leath...[Details]
Battery-powered electromagnetic flowmeter is specially designed for water industry, meeting the requirements of urban water supply and ensuring accurate water fee calculation, and is widely used in u...[Details]
The format of standard serial communication data is: start bit (1) + data bit (8) + check bit (1) + stop bit (1) Another important part of serial communication is to set the baud rate. The baud rat...[Details]