CPU315-PN/DP is connected to 3 distributed I/O racks. The 3 distributed I/O racks have not been powered on. After the CPU rack is powered on directly, the program download is normal, and the first dow...
The PWM function is in the pulseio module. It is also very easy to use, such as:import pulseio
import boardpwm = pulseio.PWMOut(board.D13, frequency=50)
pwm.duty_cycle = 2 ** 15The duty cycle of the P...
As shown in the figure, this is a constant current source circuit composed of two operational amplifiers. Let's discuss the designer's design ideas, that is, how to design it!...
[i=s]This post was last edited by dql2016 on 2021-4-25 18:59[/i]I don't have much knowledge about Bluetooth yet, so I can only run the official routine to see the effect. The routine I tested is this:...
dql2016onsemi and Avnet IoT Innovation Design Competition
In public places such as schools, government agencies, factories and mines, as well as public corridors in residential areas, the phenomenon of long-burning lights is very common, which causes a h...[Details]
Nippon Electric Works and Volvo Technology Japan have developed a wireless power supply system for electric vehicles (EVs). Using this system, the two companies have successfully conducted an exper...[Details]
Since the late 1990s, with the demand for higher system efficiency and lower power consumption, the technological update of telecommunications and data communication equipment has promoted the deve...[Details]
0 Introduction
Wireless Sensor Network (WSN) monitors the target by deploying a large number of sensor nodes in the target area. WSN realizes the positioning and tracking of the target, determi...[Details]
Rated capacity refers to the maximum output power of the UPS (the product of voltage V and current A).
Usually, the UPS power supplies sold on the market are marked with "W" (watt) for smaller...[Details]
Some people think: as long as the program runs well, it doesn't matter how the original program is written. But this is absolutely not the case. Software is not completed in one go, and it is neces...[Details]
1. Electromagnetic compatibility design
Electromagnetic compatibility refers to the ability of electronic equipment to work in a coordinated and effective manner in various electromagnetic env...[Details]
Modern communication equipment, portable electronic products, laptops, electric vehicles, small satellites, etc. generally use batteries as power sources and are widely used. However, the batteries...[Details]
Workers in garment factories usually turn on the power of the sewing machine motor as soon as they get to work and do not turn off the sewing machine power until they get off work. In fact, during ...[Details]
When selecting EMC test equipment, we often encounter the following questions: What is the difference between an EMI receiver and a spectrum analyzer? Why should a receiver be used for EMI testing?...[Details]
1. Overview
Infrared temperature measurement technology plays an important role in product quality control and monitoring, online equipment fault diagnosis and safety protection, and energy co...[Details]
UPS is an uninterruptible power supply (UPS). This device can ensure that after a power outage in the computer system, users can continue to work for a period of time and save files urgently, witho...[Details]
In the field of video surveillance, video compression encoding formats have evolved from M-JPEG, H.263, MPEG4 to H.264. Currently, H.264 is the mainstream compression algorithm. Its biggest advantage ...[Details]
The automotive environment is very demanding for electronics: any circuit connected to the 12V power supply must operate within the nominal voltage range of 9V to 16V. Other pressing issues include...[Details]
Abstract: The video decoding chip ADV7183A is used to complete the acquisition and quantification of analog video signals, and then the ADSP-BF561 completes the compression of video data. The compr...[Details]
Embedded System
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