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ON Semiconductor plans to launch a three-terminal adjustable output linear constant current regulator based on the same patented technology .
As one of the fastest growing applications in the...[Details]
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The 89C51 chip does not have its own PWM generator. If you want to use 51 to generate PWM waves, you must use software programming to simulate. The methods can be roughly divided into two methods: so...[Details]
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STC Experiment Box 4 IAP15W4K58S4 Keil uVision V5.29.0.0 PK51 Prof.Developers Kit Version:9.60.0.0 Hard Knowledge Excerpted from "STC Library Function Usage Reference" ADC initialization function...[Details]
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0. Introduction
Electronic password locks are commonly used encryption tools in modern life. They overcome the shortcomings of mechanical password locks, such as small passwords and poor secur...[Details]
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Combined LED dot matrix display screens have appeared since the 1980s. They use light-emitting diodes as pixels. They are made of high-brightness light-emitting diode core arrays, epoxy resin and ...[Details]
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IT Home reported on May 9 that today, TF International analyst Ming-Chi Kuo said that due to the strong demand for optical screen fingerprint phones, the expected shipment volume of screen fing...[Details]
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Hot surface warning light, no external power supply required
Abstract：Using a thermoelectric generator to sense the surface temperature and a step-up switching regulator to step up the output to a ...[Details]
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1.
Photoelectric tube structure and working principle
2.
Photoelectric tube
Main performance
1)
The volt-ampere characteristic of the photoelectric tube
...[Details]
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Compared with wired remote control, wireless remote control is not affected by distance, completely eliminating the hidden trouble caused by the towing cable remote control device, and bringing mor...[Details]
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Dot matrix display experiment 1. What is a dot matrix? With the previous method, one IO port can only control one LED. What if we need to control more LEDs with fewer IO ports? So there is dot matrix...[Details]
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ARM seven working modes: Figure 1-1:
Figure 1-1
The above seven working modes can be set in cpsr: M =Mode number as follows.
Figure 1-2
The reason for having so many...[Details]
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Lithium-ion battery and USB interface overview Lithium-ion (Li-ion) battery, referred to as lithium battery, is a new type of battery that has gradually become popular in recent years. It has the ad...[Details]
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1 Register
1) Special function register
2) Memory
2 Timing and interrupt
1) Timing and counting setting
2) Interr...[Details]
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Tektronix oscilloscope DPO70604C cannot be turned on. Antai maintenance detected that the power module was actually damaged. In this issue, we will share this maintenance case with you. Tektronix ...[Details]
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Last month, GM released Ultra Cruise, which promises to provide "door-to-door hands-free" functionality in 95% of driving scenarios on suburban and urban streets in the United States and Canada, a bi...[Details]
FPGA/CPLD
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