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]
1 Add UDA1341 device structure to the initialization file
Linux-2.6.32.2 has perfectly supported the driver of UDA1341 audio chip. We only need to register the control port of UDA1341 platform ...[Details]
1. The concept of interruption An interrupt occurs when the CPU is processing an event A and another event B occurs, requiring the CPU to process it quickly. Interrupt response and interrupt servi...[Details]
AWPLC is a PLC system independently developed by ZLG (compatible with IEC61131-3). This article uses a revolving lantern program implemented by a timer to demonstrate how to use AWTK and AWPLC to...[Details]
Ultrasonic waves are sound waves with a frequency of more than 20 kHz, which have the ability to propagate in a straight line. The higher the frequency, the weaker the diffraction ability and the ...[Details]
Note: This article assumes that
the motor
connection is a direct start circuit using a circuit breaker and contactor. For
inverter
type control, some configuration is required befor...[Details]
0 Introduction
Fast Fourier Transform (FFT) is widely used in radar, communication, electronic countermeasure and other fields. In recent years, the rapid development of field programmable gat...[Details]
With the official issuance of domestic 5G commercial licenses, the construction of 5G network infrastructure has entered a hot construction period. Cities such as Beijing, Shanghai, Chengdu and Shenz...[Details]
1.2W non-isolated dual output power supply application circuit
1. Design features
The dual-output power supply circuit shown in Figure 9-11 has a universal input voltage range, and the voltage regu...[Details]
The process of microcontroller executing a program is actually the process of executing the program we compiled. That is, the process of executing one instruction at a time. The computer can be divid...[Details]
In a recent interview, Ren Zhengfei said that most of Huawei's employees have returned to work after the outbreak of the new coronavirus epidemic. It is reported that Ren Zhengfei said in the lates...[Details]
Network is essential for embedded systems. However, s3c2440 does not have an integrated Ethernet interface, so if you want to make s3c2440 have Ethernet function, you must expand the network card i...[Details]
The system hardware configuration is based on the AT89S51 microcontroller. The AT89S51 is a low-power, high-performance CMOS 8-bit microcontroller, which contains a 4Kb ISP (In-system programmabl...[Details]
The figure below shows a touch-type electrical switch circuit. The circuit is simple and easy to make.
Principle and production:
When power is turned on, the electrical appliance's power circuit i...[Details]
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