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STMicroelectronics announces first quarter 2022 financial results • Q1 net revenue of $3.55 billion; gross margin of 46.7%; operating margin of 24.7%; net profit of $747 million • Free cash flow(...[Details]
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1. Sampling rate 1. Concept Computers can only process discrete digital signals. The first problem faced by analog voltage signals after entering the oscilloscope is the digitization (AD conversion) ...[Details]
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STC12C5410AD AD test LCD12864 display program #include STC12C5410AD.H #include "stdio.h" #include "stdlib.h" #include "math.h" #include "absacc.h" #include "intrins.h" # include "strin...[Details]
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Pitot tube flow meter working principle The Pitot tube flowmeter is a differential pressure flowmeter that uses the Pitot tube principle to extract the fluid flow rate (full pressure - static pre...[Details]
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1 System Design
With the continuous development of electronic technology, wireless technology plays an increasingly important role in intelligence. This design is a wireless remote control switch s...[Details]
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Figure 1: Back view of unit board
Unit Board Chip Analysis Description
1. The red chip in the figure is the HC245 chip, which plays the role of signal amplification. Chip 1 amplif...[Details]
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What is a BMS algorithm? Addition, subtraction, multiplication and division, least squares method, ampere-hour integration, Kalman filtering, etc. are all algorithms.
SOC is an important...[Details]
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1. Introduction
With the accelerated pace of work and life in today's society, people have higher and higher requirements for the automation of many electrical appliances, instruments and equi...[Details]
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When charging lithium batteries in series, each battery should be charged evenly, otherwise the performance and life of the entire battery group will be affected during use. Common balanced chargin...[Details]
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Costs are hard to estimate for many Internet of Things (IoT) projects, and a major factor behind this is the data cost per device. Transmission costs can be reduced by choosing an efficient way for d...[Details]
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On April 15, 2022, in order to actively respond to the country's goals of achieving carbon peak and carbon neutrality and build a new power system with new energy as the main body, after friendly n...[Details]
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iPhone 13 Pro Max, what is the biggest upgrade? According to the principle that the bigger the camera is, the huge camera module behind it is a huge upgrade. The larger sensor, larger aper...[Details]
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1. Driver, user manual and circuit diagram:
http://pan.baidu.com/share/link?shareid=379562&uk=4161180645
2. Development environment:
http://pan.baidu.com/share/link?shareid=379563&uk=4161180645...[Details]
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Getting rid of wires doesn’t just mean eliminating the need for cable suppliers. Robots and industrial machines that were once constrained to power outlets are beginning to experience true freedom, t...[Details]
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In the previous section, we have learned a lot about bare metal and built a project to test assembly code. These tasks are actually the basis for learning Bootloader here.
Index to this sectio...[Details]
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