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This report presents a reference design of a 7W AC/DC LED lighting driver with TRIAC dimming. The solution uses a single-stage power factor correction (PFC) inverting topology with primary-side consta...[Details]
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MBL preamplifier + 3886 + ultra-small chassis combination!
I'm addicted to making machines. I play with them after I make them, sell them after they're done, and make them again after they...[Details]
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Batteries are closely related to our lives and work. For example, quartz clocks (pointer type) used in homes and offices generally use No. 5 batteries as power sources. According to relevant statis...[Details]
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On October 25, according to the author's inquiry, Tuojing Technology Co., Ltd. (hereinafter referred to as "Tuojing Technology") will make its first listing on October 29. It is understood that Tuo...[Details]
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LED light sources have the advantages of energy saving, environmental protection, and various shapes, and are currently widely used. So, what kind of power supply should be used by LED light sourc...[Details]
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Now that the running lights are running, you are a little excited. Let's try other things. When writing programs on a PC, you can use perror to print out information when something goes wrong, which ...[Details]
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Note: This article is for beginners of single-chip microcomputers. Why write an article? Although this question is not worth mentioning for electronics experts, there are too many people ...[Details]
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Using the CubeMX tool, developers don’t need to worry about the underlying implementation, making the entire configuration simpler 1. Prepare the tool STM32_CubeMX ST official website can be download...[Details]
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ESR is equivalent series resistance.
The emergence of
ESR
caused the behavior of capacitors to deviate from the original definition. ESR is equivalent "series" resistance, which mea...[Details]
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Vehicle-mounted laser detection and ranging is used for large-scale positioning and ranging through radar. This system can be composed of a laser that emits pulsed or continuous laser light within ...[Details]
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Industrial Machine Vision Industry Chain
1. High-tech barrier track, high value in the upstream of the industry chain. Industrial machine vision is an industry that integrates optica...[Details]
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According to the latest survey by TrendForce, DRAM prices have officially entered a rising cycle. Driven by the continued strong demand for end products and the recovery of data center demand in the ...[Details]
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I am going to do a project recently, which requires counting the frequency and duty cycle of the external PWM signal. The chip used is STM32F207 Looking at the datasheet, I found that one of the ma...[Details]
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1 Introduction
With the improvement of people's living standards and the acceleration of the pace of life, the incidence of cardiovascular diseases has risen rapidly and has become one of the ...[Details]
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First look at the address line of 2440: mini2440 schematic.pdf
The 2440 chip provides 27 address lines = 128M.
The S3c2440 chip only provides 27 address lines addr on the pins provi...[Details]
Analogue and Mixed Signal
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