I developed my own 107 USB OTG. Are there any special things I need to pay attention to in the hardware circuit? The board has been opened, and the USB V_Bus power supply is fine, but the voltages on ...
I just saw an article on someone's blog about a training organization's introduction to Android learning methods. Let's discuss, evaluate, and reflect on this method. Is this learning method really go...
In terms of overall design, pyboardCN V2 is prepared to adopt the structure of core board + expansion board. The core board has USB, RTC, TF, LDO, user buttons, LED, expansion interface, etc.; while W...
Please look at the picture. The question I asked has nothing to do with differential amplification. I only thought of this question when I saw this. The main question is about Vcc' and Rc' equivalent ...
Our company is now recruiting for the following positions. If you are interested, please send your resume to qianleicherry@hotmail.com Software Engineer Job Description: 1. Responsible for IPTV/DVB dr...
QA212D is a DDS digital synthesis standard signal generator with FM AM stereo. Compared with general traditional signal sources, it has some unique advantages such as high precision, high resolution, ...
High efficiency and low standby power consumption are two major challenges in today's switching power supply design. Resonant topology or LLC topology is becoming increasingly popular because it ca...[Details]
The rapid development of the Internet has realized high-speed information transmission and resource sharing, greatly facilitating people's lives. Embedded systems are widely used in various electr...[Details]
Traditional broadcasting systems generally need to be operated manually at a fixed time, and can only realize one-way broadcasting with few functions. Traditional bell ringing equipment has a singl...[Details]
Sailing is gaining more and more attention. How to use modern technology to assist training and improve competition results is particularly important. Considering the real-time data collection in t...[Details]
1. Circuit composition
The whole circuit consists of two parts:
1. Power saving control circuit
As shown in the figure below. Including delay circuit and drive circuit.
(1) Delay ci...[Details]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
1. Introduction
With the growth of parking demand, the scale of parking lots is becoming larger and larger. A lot of research has been done on intelligent parking lots in China, but most of th...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
Converged processors meet scalability requirements
In current embedded system design, solutions based on MCU, DSP, FPGA and ASIC account for more than 90% of the market share. These solutions ...[Details]
Due to the significant increase in electronic devices in automotive and industrial applications, the automotive and industrial markets continue to play an important role in China's electronics in...[Details]
introduction
Solar cells and LED lighting are typical applications of new energy and energy-saving and efficient technologies. Solar LED lighting uses solar cells to convert solar energy...[Details]
When choosing a laptop battery, you should consider several factors, such as power, appearance, and quality.
Regarding power, we often see that a manufacturer uses values such as the number ...[Details]
With the development and widespread application of computer technology, especially in the field of industrial control, computer communication is particularly important. Although serial communication g...[Details]
5. Identifiers and keywords of C language
A complete PIC microcontroller C language program usually consists of six parts: include files (i.e. header files 1, variable definitions, variable de...[Details]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
stm32/stm8
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