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I want my apartment to be smart, but not dumb. In other words, I don’t mind having a digital display picture frame, but it can’t have wires hanging down from the wall to tell people it’s a picture f...[Details]

Many medium voltage LED applications are powered by offline AC-DC power supplies, batteries, or electronic transformers with low voltage AC output. But some of these power supplies, such as lead-a...[Details]

In the era of electrification and intelligence, do cars have the attributes of consumer electronics products? There has been endless discussion about this issue. Supporters believe that once a car ...[Details]

(Reporter Xu Yaping, correspondent Yang Xiaoli, Li Yijia) In the next four years from 2019 to 2022, State Grid Hunan Electric Power Co., Ltd. will invest 11.5 billion yuan in power grid constructio...[Details]

I got a YC2440 (s3c2440) development board. After a few days of study, I have some understanding of the arm-linux system development steps. Taking the development of this development board as an exam...[Details]

Here is a cheap hearing aid that helps people with hearing loss. The hearing aids available in the market are very expensive. Here is a cheap hearing aid circuit that works using only four transist...[Details]

Since the beginning of this year, the price of lithium carbonate has continued to fall. Will the sodium-ion battery, which was once highly sought after by the market due to its cost-effectiveness, fal...[Details]

This article takes a flyback switching power supply as an example to explain the generation and propagation mechanism of its conducted common-mode interference. Based on the idea of ​​balancing the a...[Details]

Recently, the Beijing Intellectual Property Office announced the review results of the patent entrepreneurship funding project of the Zhongguancun National Intellectual Property System Demonstratio...[Details]

Recently, reporters learned from Junpu Intelligent (SH.688306) that the company has recently delivered an 800-volt electric transaxle intelligent production line to a global Tier1 supplier of auto pa...[Details]

Bandgap Voltage Reference Technology for 14-bit Pipeline ADC Design At present, reference voltage sources are widely used in integrated circuits such as high-precision comparato...[Details]

1. Transplantation environment Virtual machine: Ubuntu 12.04 uboot source code: u-boot-2008.10.tar.bz2 Cross-compilation: arm-linux-gcc-4.4.3 Simply record the process of compiling uboot. If ...[Details]

For the Ethernet access solution of single-chip microcomputer, W5100 and ENC28J60 are both frequently used chips. These two solutions can also be said to be typical representatives of hardware protoco...[Details]

11. What should I do if the servo motor shakes? The servo motor is from Zhuhai Haikong. When the upper connecting rod is not installed, everything looks normal. Once the connecting rod is inst...[Details]

Recently, we received an antique airbag controller removed from a BMW by a netizen. The 03-08-14 on the label may be the production date. Was it produced on August 14, 2003? According to relevant...[Details]