Today, I will use Raspberry Pi to build a TCP server and use HTTP communication. Without further ado, let's get started.
First check whether the curl library is installed on the Raspberry Pi;
Enter th...
According to the theory of signals and systems, after the signal is modulated by AM , the spectrum shifting effect will occur.
TGF4042 can generate AM signals. By using the FFT function of an oscillos...
Touch and grab a building to win gifts: How much do you know about RISC-V manufacturers?
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Recently, I made a TFT screen SPI driver. Since the MISO pin is not used for unidirectional data writing, the SPI is configured as SPI_Direction_1Line_Tx mode. However, when debugging, I found that th...
Capacitive touch technology has been used in kitchen appliances for several years, for example in ovens and frying pans, with discrete buttons behind opaque glass panels. These touch controls have gra...
[i=s]This post was last edited by Jack315 on 2021-1-25 00:52[/i]The transfer function of a single zero is:The Bode plot of the zero point is shown below:On the amplitude-frequency characteristic graph...
A few days ago, Xiaomi Corporation released its first quarter financial report for 2023. The financial report showed that Xiaomi's revenue in the first quarter was 59.477 billion yuan, a year-on-year...[Details]
introduction
At present, most of the domestic institutions and large enterprises manage their internal core items, such as the archives bureau's management of important archives, the public se...[Details]
Key Foundry, a leading Korean foundry, has begun mass production of its 180nm high-voltage BCD (Bipolar-CMOS-DMOS) process and plans to produce 200V devices later this year. According to eeNews, afte...[Details]
Apple processor supplier TSMC is reportedly on track to begin risk production of 3nm chips in 2021 and move into full mass production in the second half of 2022. In July 2020, it was reported that ...[Details]
This paper introduces a design scheme of digital display resistance and capacitance measurement system based on 555 timer and single chip microcomputer . The system uses 555 and the resistance or ca...[Details]
According to foreign media reports, General Motors has submitted a patent application to the US Patent and Trademark Office for a "vehicle detection and isolation system for detecting spring and stab...[Details]
300mA output small automotive LDO regulator "BUxxJA3DG-C series"
ROHM, a world-renowned semiconductor manufacturer (headquartered in Kyoto, Japan), has developed the "BUxxJA3DG-C Ser...[Details]
The basic verification methods for LED products mainly include: product environmental test verification and product life verification. 1. Product environmental test verification First of a...[Details]
While an incandescent lamp behaves as a purely resistive load with self-stabilizing characteristics, an LED requires a current source. The luminous flux produced by an LED is approximately prop...[Details]
Calibration always seems to be scheduled at the most critical time in a project, such as when a team is busy preparing for the annual industry trade show. As an example of the impact of calibration o...[Details]
Yu Hong, Aerospace Measurement and Control Center Beijing Aerospace Measurement and Control Technology Development Company has been committed to ATE/ATS technology research since the 1980s, and has...[Details]
The difference between a multi-digit digital tube and a single digital tube is the number... (It's the same as not saying it)...
When using a single digital tube, you only need to connect the eig...[Details]
A varistor is a resistor with nonlinear volt-ampere characteristics. Like a thermistor, it is a nonlinear component. Although varistors and thermistors look like twins in their names, there is actu...[Details]
According to foreign media reports, car manufacturer Jaguar Land Rover (JLR) has applied for a patent to the World Intellectual Property Office, which mainly discusses conveying various information...[Details]