FF0000 and 880000 are both red. What is the difference between these two reds?Another question is, are reds of different saturations pure red, or are they mixed with other colors?...
1. Brief Introduction
After completing the data request, you also need to write the software interface. The system comes with the LVGL graphical interface, but to be honest, using LVGL for monochrome ...
In mathematical terms, an FIR filter is a series of dot products. Take an input quantity and an ordinal vector, multiply the coefficients and a sliding window of input samples, and then add all the pr...
Recently, home appliance companies have ushered in the half-year test. As the performance forecasts for the first half of 2020 have been released one after another, some are happy while others are sa...[Details]
1. What is standing wave ratio? Standing wave ratio, the full name is voltage standing wave ratio, also known as VSWR and SWR. It refers to the ratio of the antinode voltage and the trough voltage am...[Details]
Basic knowledge ADC0809 is a CMOS component with an 8-bit A/D converter, an 8-way multiplexer, and microprocessor-compatible control logic. It is a successive approximation A/D converter that can b...[Details]
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First, let’s get to know the pin diagram of the digital tube
Common anode/common cathode digital tube pin diagram:
C...[Details]
At Apple's 2021 WWDC conference held early this morning, Apple officially released watchOS 8. Let's take a look at what new features and improvements have been added to the new version. In the new ...[Details]
Recently, Japan's CHAdeMO (Japan Electric Vehicle Fast Charger Association) and the China Electricity Council jointly released a new version of the CHAdeMO fast charging standard - CHAdeMO 3.0. Under...[Details]
In the past, DC motor speed control systems were usually controlled by single-chip microcomputers or DSPs . However, single-chip microcomputers require a large number of peripheral circuits, and ...[Details]
basic concept There are two types of communication: serial communication and parallel communication. Serial communication can be divided into two categories: asynchronous communication and synchronou...[Details]
Written in front: STM32 MCU key debounce and FPGA key debounce Key debounce: From the above figure, we can see that there is a difference between the ideal waveform and the actual waveform. The...[Details]
Did you think that Black Sesame Intelligence would become China’s first autonomous driving computing chip or intelligent chip? Black Sesame International Holding Limited is a Chinese automotive-gra...[Details]
Multi-purpose delay switch power socket The power of household appliances, lighting lamps, etc. often needs to be turned on or off after different time delays. The power socket can meet such diff...[Details]
Double flange level transmitter is a remote transmission device installed on a pipe or container to sense the measured pressure. The pressure is transmitted to the transmitter body through the silicon...[Details]
At midnight on June 23rd, Beijing time, Qimai AppSA tested and found that the ASA backend can create bidding plans for mainland China. This means that ASA (full name Apple Search Ads) is finally open...[Details]
Before reading the content here, you have already installed the environment and can do a basic experiment. That is the content of the following three links. https://blog.csdn.net/x1131230123/article...[Details]
New energy vehicle pre-charging circuit is a circuit used in electric vehicles and hybrid vehicles, which is mainly used to fully charge the battery before the vehicle starts. This circuit can impr...[Details]
MCU
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