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void delay(char n) { char i; for(i=n;i 0;i--); //Look at the assembly and you will find that 3 instruction cycles are used here. The 4M crystal oscillator is 3us and the 51 microcontroller 12...[Details]
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(I) Use DNW to burn the kernel 1. Set the development board to NOR boot, connect the USB-serial cable (USBcom1 port on the development board --- USB port on the PC), Use another USB cable to connect...[Details]
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On October 7, Eastern Time, the Bureau of Industry and Security (BIS) of the U.S. Department of Commerce pre-published a final rule in the Federal Register to revise the "Entity List" listed in Suppl...[Details]
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On September 1, Tongfu Microelectronics said on the interactive platform that at present, the semiconductor packaging and testing capacity has been in short supply for a long time. The company can us...[Details]
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January 12, 2022 – Mouser Electronics, an authorized global distributor focused on introducing new products, has announced a global distribution agreement with Hartland Controls, a Littelfuse company...[Details]
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On July 15, the Ripusac 20GWh power battery project in the Liudong New District New Energy Industrial Park achieved its scheduled progress half a year ahead of schedule and was officially put into pr...[Details]
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According to foreign media techpowerup, Kingston announced on October 6 that its two DDR5 UDIMMS desktop memory sticks have passed Intel Platform Validation, an important milestone that means i...[Details]
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.In order to ensure the quality of the intelligent high-frequency switching power supply system, we organized a number of technical personnel to inspect multiple manufacturers to understand the manu...[Details]
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Single Chip Microcomputer Paper XI Measurement Amplifier
1. Topic: Measurement amplifier
II. Mission
a. Differential mode voltage amplification factor AVD = 1 ~ 500, can be adjusted manua...[Details]
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SiC is being incorporated into higher power, higher voltage designs such as electric vehicle (EV) motor drives, EV fast chargers, on-board and off-board chargers, wind and solar inverters, and indust...[Details]
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Static UPS is divided into online and backup types. The structures of these two types of UPS are roughly the same, and their main structures include rectifier (charger), battery, inverter and conve...[Details]
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The EMC requirements for UPS are a common concern for the majority of power supply technology workers. Starting from the last issue, this magazine has selected some contents of the national standards ...[Details]
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1. First, the picture above. The second picture is a screenshot of Keil online debugging. This Keil is better. I guess IAR may not have such a graphical interface.
As you can see, the external...[Details]
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Advantech, a global leader in the Internet of Things, announced a cash investment in a 20% stake in Taiwan-based smart manufacturing consultancy and system integration company, Reed Technologies. Wit...[Details]
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Instrument stepper motor
A stepper motor is an open-loop control element that converts an electrical pulse signal into an angular displacement or a linear displacement. In the case of non-overl...[Details]