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I need to design a night Bluetooth switch light design. The Bluetooth chip used is JDY-30. At first, I didn't know the specific model. Later, after connecting the Bluetooth, I found that it was JDY-3...[Details]
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In the strategic plan of "Made in China 2025", "Made in China" will transform into "Made in China Intelligence". With the strong support of national policies and the catalysis of the market's billi...[Details]
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Pulse Width Modulation (or PWM for short) is a simple concept with many applications. Let's look at a square wave.
A waveform has a certain frequency. The frequency and period of a wavef...[Details]
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StradVision, a software supplier based on deep learning technology, recently demonstrated its advanced self-driving car camera technology at an expo. The company said it has developed SVNet software ...[Details]
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How Battery Circuits Work
The circuit has overcharge protection, over-discharge protection, over-current protection and short-circuit protection functions. Its working ...[Details]
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1. Non-isolated photovoltaic grid-connected inverter
1.1 Photovoltaic grid-connected power generation system
The contribution of photovoltaic power generation to the world's energy i...[Details]
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In the field of autonomous driving chips, a familiar yet unfamiliar name is about to appear in 2022. When it comes to autonomous driving chips, from Bosch, which was the first to provide a complete...[Details]
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In late September, Kenny Pi designed and ordered a flexible printed circuit board to convert the iPhone's Lighting port, which has been used for many years, into USB-C, which attracted the atten...[Details]
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Frequency domain measurements of RF power are the most basic tests for both traditional spectrum analyzers and modern vector signal analyzers. Proper test methods are very important to avoid signific...[Details]
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The true RMS converter uses the high-precision AD637 chip (Figure 16), which has few peripheral components, wide frequency band, and accuracy higher than 0.5%.
Figure 16 True RMS conversion ci...[Details]
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On the evening of September 9, smartphone brand vivo held a new product launch conference to launch its flagship imaging smartphone X70 series. The vivo X70 series has three products, namely v...[Details]
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The design space is increased, which improves aerodynamic performance; the load distribution is more ideal; the platform versatility is improved, saving R&D costs.
●Active safety: ESC products...[Details]
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Today I wrote a small program, which mainly calls another subroutine in a task under main. As a result, a warning appeared during compilation! The reminder is as follows: ..HARDWARETOUCHTOUCH.h(14)...[Details]
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Samsung officially launched the new Samsung Galaxy A20s in Malaysia. This phone is specially launched for the mid-to-low-end market. The starting price of this phone in Malaysia is 699 Malaysia...[Details]
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The wiring of a single-phase motor variable frequency speed regulator and capacitor is a highly technical job that requires certain steps and precautions to be followed. The following will detail t...[Details]
DIY/Open Source Hardware
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