1. dBm dBm is a value that measures the absolute value of power, and the calculation formula is: 10lgP (power value/1mw). [Example 1] If the transmission power P is 1mw, it is 0dBm after conversion to...
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This article introduces the power monitoring system of the G45 Daqing-Guangzhou Expressway, Hubei Huangshi-Tongshan section. The system collects 400V multi-function power meters, 400V inlet a...
Magnetic flap level gauge is also called magnetic level gauge, magnetic column level gauge, magnetic float level gauge. Its working principle is to use the principle of magnetic coupling. It is one of...
[i=s]This post was last edited by MianQi on 2021-6-7 17:27[/i]I was attracted by the 2.4G+433M dual-band combination of TI's product and applied to participate in the evaluation activity.
Speaking of ...
I saw a great guy on Bilibili post a video explaining how to burn the Cortex-m0 soft core into this type of board, so I was eager to try it, so I wrote down the experience.
Step 1: Apply for the corte...
According to foreign media reports, Hyundai Motor Group, South Korea's leading automaker, said on June 14 that its production facilities in the United States have been suspended due to a shortage of ...[Details]
The transformer of a single-ended
flyback
switching power supply
is essentially a coupled inductor, which is responsible for energy storage, voltage transformation, and energy tran...[Details]
From September 19 to 22, the 2019 Tianyi Smart Ecosystem Expo was held in Guangzhou. This is the industry event jointly held by China Telecom and Qualcomm for the eleventh consecutive year. The theme...[Details]
Stimulated by the explosive sales of Apple AirPods, TWS true wireless Bluetooth headsets have become the biggest consumer electronics hotspot in 2019. It is expected that the shipment of Apple AirPod...[Details]
LED photoelectric detection equipment is widely used in the research and development of various LED products, quality control of the production process, and photoelectric performance inspection of ...[Details]
The website of the Ministry of Industry and Information Technology released a letter titled "Reply to Proposal No. 2282 (No. 256 in the Public Transport, Post and Telecommunications Category) of the ...[Details]
1 Introduction
With the widespread application of MOS devices, the current feedback operational amplifier (CFOA) based on the CMOS circuit structure is widely used in high-frequency and hi...[Details]
introduction
The information of passive acoustic targets is generally mixed in complex and changeable environmental noise, and the signal-to-noise ratio is low. It is difficult to meet the require...[Details]
1. S3C2440 storage controller
If you have written an ARM bare metal program for S3C2440, you should know that the starting address of SDRAM is usually 0X30000000, but have you ever thought about why?...[Details]
On July 24, Xiaomi Group Vice President and Redmi Brand General Manager Lu Weibing began to complain about the Honor 9X series' 10W charging being ineffective. Lu Weibing said: "In today's mobile pho...[Details]
Universal Serial Bus
It is an external bus structure used to connect USB-compatible peripheral devices to the host. It is mainly used for medium-speed and low-speed peripherals. USB i...[Details]
3. PCI bus interface and DSP HPI interface
1 HPI interface functions and features
The host interface HPI (Host Pott Interface) is a parallel interface component inside the C54x DSP series fix...[Details]
Based on the terminal sales of domestic new energy vehicles, Electric Vehicle Information has compiled statistics on the installed capacity of power batteries for pure electric pa...[Details]
Spatial articulated
robot
(Spatial Scara Robot) is a lightweight robot with four joints, usually used in high-precision assembly, processing, handling and sorting applications. Compared ...[Details]
"We have finally reached the stage where we can realize a zero-accident society" - said Yoshiharu Yamamoto, representative director and president of Honda Research Institute, on stage. Honda anno...[Details]
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