As the saying goes, if you don't lose weight in spring, you will regret it in summer. For those who gain three pounds during the holidays, drinking water is gaining weight, but they can't control thei...
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Hello, we are using the RK3399+RK818 architecture. We found that the CPU is very hot in normal standby mode. How can the software reduce the temperature?We found that the CPU main frequency i...
[i=s]This post was last edited by lugl4313820 on 2022-5-23 07:07[/i][Preface] The example gives Python programs to control LED flashing and detect key presses, combining two case studies to synthesize...
This reference design details how to drive various forms of electronically dimmable glass, including SPD-SmartGlass and APD glass, from a car battery. This guide shows how to generate a DC/AC inverter...
Those who are fast have already started to operate, but mine had to go around in circles in this city because of the courier sorting error. Today I can finally open the box. It is really a big box.I a...
数码小叶onsemi and Avnet IoT Innovation Design Competition
Driven by the Internet of Things, big data and artificial intelligence (AI), a wide range of industries from transportation and healthcare to retail and entertainment will be transformed, which Appli...[Details]
Regarding the method of mechanical zeroing of digital multimeter, the three steps of mechanical zeroing, and the problems to pay attention to in mechanical zeroing, do not adjust the mechanical zeroi...[Details]
Modify uboot to save environment variables Ideas and steps: 1. If you want to save environment variables, use the saveenv command 2. From the uboot command system, it can be inf...[Details]
Yole Développement (Yole) presents an optimistic picture for CIS in a recent report. They pointed out that the CMOS image sensor industry is booming worldwide. The performance is mainly attributed...[Details]
According to Counterpoint Research data, Apple became the largest smartphone manufacturer in China in the fourth quarter of 2021, and its market share in China also hit a record high. The report show...[Details]
1. Introduction
The automobile engine control module (PCM) is the control nerve center of the automobile, which directly affects the power, fuel economy and exhaust emissions of the automobile. Wit...[Details]
IT Home reported on February 20 that according to foreign media Android Police, the Samsung Galaxy Labs application provides two new components and updates several other components to version 2...[Details]
Electromagnetic relay is a commonly used component in automatic control. It uses electromagnetic principle to realize an automatic switch that connects or disconnects one or a group of contacts. It...[Details]
The ground resistance meter abandons the traditional manual hand-cranked power generation working mode, selects professional medium-scale integrated circuit chips, and uses DC/AC conversion technolog...[Details]
1 Introduction
With the improvement of people's quality of life, lamps are no longer just basic indoor lighting tools, but also a kind of practical art for architectural decoration. When there...[Details]
Although the power innovations of various manufacturers are somewhat influenced by Volkswagen's "golden combination", Ford is probably the only one that can compete head-on. In the past few years...[Details]
With the popularity of acidometers, more and more users are beginning to care about the quality of acidometers . Therefore, we briefly discuss some common methods for judging the quality of acidometer...[Details]
Take 80C51 as an example
First of all, when we use protel and proteus software to draw circuit diagrams, you will find that the original 40-pin chip has become 38 pins. That's because it hides the ...[Details]
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