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.
Here is a 555 timer simulation, the output is adjustable duty cycle (less than 50%), the previous simulation, but this simulation is wrong, who can guide me? ? ? ?...
Generally, we recommend that codes with high real-time requirements and codes related to FLASH initialization, such as interrupt programs, be run on RAM.
In the F2837xD/37xS/07x series chips, the Flas...
[i=s]This post was last edited by Knight on the Sun on 2022-7-21 00:48[/i]1. RW007 Introduction
RW007 is a SPI/UART high-speed wifi module based on Cortex-M4 WIFI SOC developed by Shanghai Ruiside Ele...
The picture is a curve chart of MMBT3904. There are 4 questions as follows:
1. What does the "Base-Emitter Saturation Voltage" in the figure mean? How is it different from the base-emitter voltage dro...
In a single-ended flyback switching power supply, the primary input of the transformer is a DC voltage, and the secondary output is also a DC voltage.
How is the input DC converted into AC through the...
Figure 1 is the circuit in use, but because the external input terminal is in high impedance state when there is no input, it is sometimes unstable. I want to connect a 50K resistor directly between p...
The throttling device of the orifice flowmeter is composed of a throttling piece (such as an orifice plate, nozzle, etc.), a pressure taking device (such as an annular chamber), a fastening device (fl...[Details]
In the recent new energy market, CATL, known as the "King of Ning", is in a good momentum. In the past 2021, CATL not only accounted for more than half of the power battery shipments, but also repeat...[Details]
Samsung is challenging Sony's global dominance in smartphone image sensors as Huawei is affected by US sanctions, according to Nikkei Asian Review. The race for leadership in the image sensor market ...[Details]
1.138 decoder 1.74HC138 is a high-speed CMOS device. The 74HC138 pin is compatible with the low-power Schottky TTL (LSTTL) series. The 74HC138 decoder accepts 3-bit binary weighted address inputs (...[Details]
Lithium iron phosphate has a low diffusion coefficient of lithium ions and poor conductivity. The current practice is to make its particles smaller, even nano-scale, and increase its charging and dis...[Details]
After the NOR Flash market hit a low point last year, it has recovered rapidly this year. Currently, NOR Flash manufacturers and agents have reduced their inventory to a low level, and production cap...[Details]
Nissan has developed a hybrid engine with a world-leading thermal efficiency of 50%. Fuel consumption is expected to be improved by 25% compared to the hybrid vehicle (HV) equipped with e-power that ...[Details]
With the rapid development of my country's automotive electronics, new digital consumer electronics and medical electronics industries, the domestic market demand for sensors is showing a rapid growt...[Details]
1. Experimental tasks Use the P0.0/AD0-P0.7/AD7 port of the AT89S51 microcontroller to connect the a-h ends of the digital tube. The S1-S8 of the 8-bit digital tube controls the strobe of each digita...[Details]
Engineers often use oscilloscopes to observe waveforms of various signal amplitudes changing over time. They can also be used to test various electrical quantities, such as voltage, current, frequenc...[Details]
In the development of modern automobile technology, more than 95% of cars have adopted the CAN bus protocol, and some entertainment systems have adopted Ethernet. Combined with the commercial applica...[Details]
General testing process Unit testing - Integration testing - System testing - Domain testing The differences among unit testing, integration testing and system testing are as follows: 1. Differen...[Details]
Many devices and their control computers use RS 232 standard serial interface for communication. This paper designs and implements RS 232 serial communication data interceptor, which can effectivel...[Details]
First, follow the steps to modify the relevant information and execute make zImage. Many errors occurred: the representative errors are as follows: arch/arm/mach-s3c2440/mach-mini2440.c:189: error...[Details]
The auto-coupling step-down starter is an electrical device used for motor starting. It reduces the starting current by reducing the voltage when the motor starts, thereby protecting the motor and ...[Details]
Analog electronics
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