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I designed a 4th order low pass filter using LM318N. The input is a 250Khz square wave. I want to get a 250khz sine wave, but there is a ringing phenomenon. I don't know what to do. I can only use LM3...
Now I have a 12864 screen, which uses a dual 595 extended serial port, a single-chip microcomputer IAP15W4K61S4, and an internal 24MHZ crystal oscillator. I have been adjusting it for two days but it ...
Internet Protocol Television (IPTV) delivered over DSL is an emerging and exciting technology that offers service providers new business opportunities. ADSL2+ and VDSL2 data rates make it easy to inte...
Some functions of the main program framework: initialize the ARM clock and peripheral resources after power-on, then initialize the peripheral devices, and then wait for the UART command, and execute ...
I would like to ask you a basic question: I have studied serial port drivers (MDD, PDD) these days and found this question: How is the information of "COM1" in CreateFile(L"COM1:",....) recorded in th...
Reflow soldering is a critical process in electronics assembly production, and the cleanliness of the reflow oven has a direct impact on product quality. Dust and residue accumulation within the ov...[Details]
1. Project Overview
1.1 Introduction
Currently, most music files are saved in MP3 format, a lossy audio compression format that cannot perfectly reproduce the original music. With the exp...[Details]
Electric motors and internal combustion engines of the same power have similar torque levels. High power requires high torque, and torque determines a vehicle's acceleration speed, commonly known a...[Details]
Is pure electric vehicles a false proposition for long-distance driving? At least from my personal perspective, based on current technological and infrastructure standards, I believe so. Below, I'l...[Details]
New energy pure electric vehicles generally accelerate faster than comparable fuel-powered vehicles, both from a standing start and while accelerating. Many believe this is simply due to the motor'...[Details]
Topics: Bring Your Own Device (BYOD) trends; the impact of using employees' own mobile devices to control access to work facilities and equipment on information security; and ways to securely imple...[Details]
On August 20th, Tiantai Robotics Co., Ltd., along with strategic partners including Shandong Future Robotics Technology Co., Ltd., Shandong Future Data Technology Co., Ltd., and Gangzai Robotics Gr...[Details]
With the advancement of science and technology and the promotion of green, energy-saving, and circular development, the demand for precise control and accurate measurement is increasing. In the pow...[Details]
Charging is an essential topic for electric vehicles. Batteries are a core component of new energy vehicles. So, what's the optimal charge level for electric vehicles? Based on current battery tech...[Details]
Wearable technology is taking off, with applications evolving rapidly, from smartwatches to fitness trackers and even smart wigs! Bluetooth Smart is at the center of this revolution. This is the se...[Details]
The number of new energy vehicles in use is increasing, and there are multiple choices available. New energy vehicles can be divided into hybrid and pure electric, and the types of hybrid include m...[Details]
Shenzhen RF Star's Bluetooth smart e-cigarette solution, by embedding a BLE module in the third-generation e-cigarette tube and coordinating it with the development of a smartphone APP, bring...[Details]
We often notice that some safety light curtains have EDM function. What does EDM mean here? What is its function?
The full name of EDM is External Device Monitor, which means external device m...[Details]
1. Overview of the current status and future development of the bionic market
Bionic robots, innovative products that integrate biomechanics and robotics, have experienced explosive growth...[Details]
Just how popular are humanoids? Let's take a look.
Humanoid robots' performance capabilities are driving booming orders.
Robots were undoubtedly a major highlight at the 2025 World A...[Details]
Analog electronics
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