A new graduate encountered a problem during internship. When porting emwin to stm32, he had to turn on CRC. Then he added the following line of code RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_CRC,ENABLE); ...
A senior hardware engineer explains the principles of lithium-ion batteries in a video with many pictures. Very detailed and easy to understand. [hide]attach://487263.rar[/hide]...
Harmonic current and voltage fluctuation and flicker are the last two of the four EMI projects. Next week we will start introducing EMS test methods. Welcome to follow the official account Monster Ele...
What is the relationship between transformers and inductors? Let me first state the conclusion: transformers and inductors are both related and unrelated, just like the internal resistance of a power ...
Although many in the industry believe that analog and digital technologies will soon compete for dominance of power conditioning device control circuits, the reality is that when it comes to feedback ...[Details]
The compact non-contact tester has the advantages of simple circuit, reliable performance, and easy use. It can detect whether the power wire is charged outside the insulator of the power wire and ...[Details]
Hardware System Design of High Precision DC Micro-resistance Tester
This chapter mainly designs the hardware system of the high-precision micro-resistance DC tester. The following focuses on the in...[Details]
Tesla customers may love the automaker's keyless entry system, but a cybersecurity researcher has proven that the same technology could allow thieves to steal certain models of electric vehicles. Sul...[Details]
Author: paopaoslam Author: Daniel Yang, Tarik Tosun, Benjamin Eisner, Volkan Isler, and Daniel Lee Source: 2021 IEEE International Conference on Robotics and Automation (RA)
summary
We ...[Details]
Today, realme officially announced the rear camera specifications of the realme GT2 Pro phone. The main camera of the phone uses a 50-megapixel Sony IMX766 sensor with OIS anti-shake function. T...[Details]
In the field of marine ship applications, the increasing displacement has led to an increase in the horsepower of the ship's power system, usually in the tens of thousands of horsepower, or even hund...[Details]
Bandpass filters (BPF) are widely used in applications where the passband is very narrow and any other frequencies outside the passband are attenuated.
Formula (1) is the second-order bandpass ...[Details]
The effectiveness of the differentiated competitive strategy of international management is evident, and Changdian Technology's profits and advanced process output increased significantly in 2020 战...[Details]
The photovoltaic off-grid power generation system consists of a photovoltaic array, a solar controller, an inverter, a battery pack, and a load. The photovoltaic array converts solar energy into el...[Details]
A small current generating circuit that can obtain UA-level current
Function of the circuit
A constant current source is a circuit that can provide a constant current when the load resistance ...[Details]
The circuit has overcharge protection, over-discharge protection, over-current protection and short-circuit protection functions. Its working principle is analyzed as follows: 1. Normal state In th...[Details]
Although digital technology is the foundation of ADSL, it is the complementary analog and mixed-signal technologies that enable service providers to build ADSL lines at a low cost and provide services...[Details]
At present, China Telecom is building a new C network mobile base station. Therefore, it is very important to do a good job in the installation and completion acceptance of the C network mobile bas...[Details]
As climate change becomes increasingly serious, humans must take strong measures to significantly reduce carbon emissions. Under the new legislative and policy framework, the automotive industry is...[Details]
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