Shenzhen Changjiang Connector Co., Ltd. is a world-leading professional connector manufacturer with 20 years of experience. Its products mainly include wire-to-board connectors, board-to-board connectors, wire-to-wire connectors, wire harness processing and connector design, mold development and manufacturing. It is compatible with international brand connectors from Europe, the United States, Japan, South Korea and other countries.
I saw the 485 circuit of someone else's product as follows. Can anyone help explain the function of adding a transistor between the output terminals AB of this 485 circuit? Thank you...
As shown above, a parameter d is assigned a value of 0 in the program, but the compilation prompt does not use it.
There is another parameter c, which is also assigned a value, the same.
There is no o...
To draw the minimum system of TMS320C6713, we mainly focus on the core hardware, such as power supply, reset, clock, and startup mode configuration. If you do not add related peripherals, you can skip...
DSP is a digital signal processor designed for real-time digital signal processing. It is very suitable for embedded real-time systems because of its outstanding advantages of fast computing speed, sm...
The schematic diagram of the circuit is shown below.Simplified circuit of switch circuit
Before the circuit is powered on, the switch "TEST" is turned off and the microcontroller is not powered by VCC...
After undergoing three rounds of rigorous waterproofing tests in October last year, foreign media CNET launched the ultimate test plan - immersing the iPhone 11 and iPhone 11 Pro in water at ...[Details]
1.Using the ordinary IO port of stm32 to simulate the iic timing, you can use fewer IO ports to implement the iic function, which has great advantages in practical use. 2. The IO of stm32 can be set ...[Details]
On April 22, well-known whistleblower OnLeaks revealed some parameters of the OnePlus 10 standard version. OnLeaks revealed that OnePlus 10 will be released in the second half of this year. T...[Details]
According to foreign media reports, electric drive has been a hot topic in the automotive industry in recent years and is also one of the future development trends. Both traditional auto giants and...[Details]
Switching power supplies and motor drives both generate large noise currents and conduct them to the load and the power supply itself. Common-mode current is the main cause of low-frequency conduct...[Details]
The international edition of the journal Angewandte Chemie International Edition recently published an article pointing out that new progress has been made in the research on the "intermediate sta...[Details]
Tianfeng Securities analyst Ming-Chi Kuo recently revealed that Apple is testing E Ink's electronic paper display (EPD) for use in future foldable device cover screens and tablet-like applications. W...[Details]
With the rapid development of new energy vehicles, charging facilities have become the infrastructure of cities. Charging facilities include various charging and replacement facilities that provide...[Details]
As people's demand for smart travel continues to increase, the design of automobile interiors has become a concern. So, what challenges and opportunities will automotive interiors face in the future ...[Details]
Four years ago, Nanjing Jiangbei New Area (hereinafter referred to as "Jiangbei New Area") proposed to vigorously develop the integrated circuit industry. At that time, the industry knew little about...[Details]
All light vehicles produced in 1996 and later must adopt the second generation on-board diagnostic system (OBDⅡI) standard. The main purpose of OBDII is to reduce emission pollution, while the main...[Details]
1 Introduction This paper mainly studies the driver of the stepper motor based on the 8051 single-chip microcomputer. The driver adopts the H-bridge drive circuit, which enables the stepper motor to ...[Details]
Recently, I have been studying how to cancel the delay function in the program. After a period of exploration, I finally made some progress. I wrote a countdown timer. Countdown timers are used in ma...[Details]
Low frequency ripple
Low-frequency ripple is related to the capacity of the filter capacitor in the output circuit. Due to the size limitation of the switching power supply, the capacity of th...[Details]
stm32/stm8
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