I saw a question like this online, let's see what everyone thinks: Q: When testing DVD and audio equipment, a test signal is usually used, a 1kHz, 0dB signal. What is the specific definition of this s...
485 wireless transmission communication module ZLAN9700/ZLAN9743 LoRa is a cost-effective long-distance wireless communication solution. Compared with GPRS and 4G solutions, LoRa does not require mont...
[i=s]This post was last edited by wintonson on 2021-1-18 23:51[/i]【 RISC-V MCU CH32V103 Review】---Advancing Wiki--Opening
——Miscellaneous talks, environment establishment, data organization, and code ...
When measuring resistance values, the Wheatstone bridge is often mentioned. Why can using it improve the test accuracy?
If you want to measure resistance, two resistors can also be measured.
Are the f...
The bd682 pnp Darlington tube cannot be driven. A 1k resistor is connected in series with the B pole, the E pole is 5V, and there is no output voltage at the C pole?...
I have been using the 3.3 firmware library. I haven't updated the 3.4 one for a long time. Now I can't help it. I built a new V3.5 project template using the latest MDK4.20. There is basically no int...[Details]
Qualcomm officially announced its latest flagship SoC Snapdragon 865+ last night. Lenovo Legion gaming phone official Weibo immediately announced that it will officially release the Legion gaming pho...[Details]
Organic electroluminescent devices (OLEDs), as the current mainstream display lighting equipment, have been widely used in electronic products such as mobile phones and tablets, such as Huawei, Apple...[Details]
This year, despite
constant reports of overcapacity
in the domestic
power battery
industry, the momentum of power battery production expansion remained unabated in the first half of the year...[Details]
The Electric Power Steering ( EPS) is a power steering system that directly relies on the motor to provide auxiliary torque. As a new type of power steering system, it has many advantages over the ...[Details]
Recently, the China Academy of Information and Communications Technology released a data report on the domestic mobile phone market in August 2019. In the past month, the total shipments of the domes...[Details]
Primary feedback AC/DC control technology is a new AC/DC control technology developed in the past 10 years. Compared with the traditional secondary feedback optocoupler plus 431 structure, its big...[Details]
Rockwell Automation Launches FactoryTalk® Logix Echo Simulation Software to Revolutionize Machine Design
(Shanghai, China, September 3, 2021) Rockwell Automation, one of the world's ...[Details]
During the storage period, due to the presence of impurities in the Changguang battery, such as positively charged metal ions, these impurities can form micro-batteries with the negative electrode ...[Details]
Virtual Reality (VR) and Augmented Reality (AR) are considered to be the next generation of general computing platforms due to their three-dimensional, natural interaction, spatial computing and ot...[Details]
Go up to the sky to reach the moon, and go down to the five oceans to catch turtles. Over the past 10 years, my country has continuously made major milestone breakthroughs in the fields of deep space ...[Details]
Recently, SMIC stated on an investor interaction platform that in order to meet more customer needs, according to the company's CAPEX spending plan this year, it plans to expand the production capaci...[Details]
The latest data from the National Energy Administration shows that by the end of June, my country's installed capacity of renewable energy exceeded 1.3 billion kilowatts, surpassing coal-fired powe...[Details]
The Linux-2.6.32.2 kernel has quite a lot of support for USB peripherals, and it already includes S3C2440 USB Host driver support, so we only need to configure the kernel. The following are the detai...[Details]
introduction
As system bandwidth continues to increase, designers have optimized memory technology for higher speed and performance. The next generation of double data rate (DDR) SDRAM chi...[Details]