This article demonstrates how to display the clock and weather conditions through OLED, mainly using the free weather API of openweathermap.1. Hardware preparation(1) Zero-knowledge ESP8266 developmen...
Yesterday CDK was closed normally, but today when I open CDK, it has no response, and restarting the computer does not work. I am currently using: Win10Open the log to view:Click Close to view the log...
ls /dev/ttyS*[/color][/font][color=#4f4f4f][font=-apple-system, "]The development board is connected to serial port ttyS2[/font][/color] Execute: [font=-apple-system, SF UI Text, Arial, PingFang SC, H...
[size=4] I have studied Nucleus before. Recently, because I want to understand the mechanism of other RTOS, I specially looked for some other RTOS codes on the Internet, including ThreadX codes. Then ...
Spectrum analyzer is a commonly used test instrument in radio frequency and microwave applications. Through spectrum analyzer testing, many important performance parameters can be obtained, such as s...[Details]
introduction
In the field of electrical engineering, frequency is a basic parameter, and it is closely related to the measurement schemes and results of many other electrical parameters. With the dev...[Details]
CW431CS Voltage Monitor Application Circuit
Figure 6.5 uses the transfer characteristics of CW431CS to form a practical voltage monitor. When the voltage is between the upper and lower limit vol...[Details]
Inspired by Marshall's rock legend, Monitor II ANC headphones are true to themselves and transcend reality, bringing you excellent sound quality. High-performance active noise cancellation technology...[Details]
This guide will focus on VGAs that are suitable for communication systems. Whether a VGA is suitable for a communication system depends on whether these parameters meet the system performance. Both...[Details]
This amplifier circuit works on the principle of bridge amplifier where two amplifiers act as one amplifier without any ground connection to the speaker. Bridge amplifier can amplify double the gai...[Details]
The intake pressure sensor is the intake manifold pressure sensor. It is used in the D-type electronic fuel injection system (the L-type uses an air flow meter to detect the intake volume). The intak...[Details]
1 Introduction
What is FSLCD? Let's look at the annotation of this English word: Field Sequential Color LCD, which is translated into field sequential drive (no color film) color liquid cr...[Details]
The ground resistance tester is a commonly used instrument for testing and measuring ground resistance. It is also an indispensable tool for safety inspection and acceptance of grounding project comp...[Details]
There is less than a month left in 2020. It is the peak season for office equipment like projectors. How should we choose and buy them? What brand of projector is good? Here are some suggestions to t...[Details]
While we are still struggling to decide whether the newly purchased mobile phone or computer is equipped with the latest 7nm or 10nm chip, TSMC announced this month that it has completed the 5nm arch...[Details]
Rechargeable batteries are widely used in industrial and agricultural production, national defense science and technology and other fields, and the detection and charging of rechargeable batter...[Details]
0 Introduction
The emergence of microprocessors provides a stable and reliable hardware architecture for the connection between low-priced and compact CPUs and peripherals. In this way, the bot...[Details]
144 high-performance cores, 1 TB per second of memory; doubles server chip performance and energy efficiency
SANTA CLARA, Calif. — GTC — March 22, 2022 PT — NVIDIA today announced the ...[Details]
DIY/Open Source Hardware
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