1. MFRC522 is a highly integrated contactless (13.56MHz) card reader/writer chip. This transmitter module uses the principles of modulation and demodulation and fully integrates them into various cont...
Functional Description This project includes two buttons and a 4-digit digital tube display, which together realize a 24-second countdown of , and have the functions of pausing and re-counting. The sp...
[align=center][/align] I often see UP hosts recommending "White Snake" on Bilibili. I watched it today and thought it was really good. I rarely recommend movies to others, but today I recommend it. I ...
It is required to be able to output 1-5Hz square wave, triangle wave and sine wave signals. The frequency of the output signal can be adjusted from 1-5Hz, and the frequency of the current signal is di...
Writing C programs in a certain style can help the C compiler generate faster ARM code. Here are some key points related to performance: 640?wx_fmt=png&wxfrom=5&wx_lazy=1 1. Use signed and unsigned in...
I am a novice. I have read many posts recently and understand why BUCK needs floating ground driver. But it is strange that when simulating with Multisim and Saber, the simulation is successful withou...
When it comes to in-car audio, most consumers can only perceive the brand and the number of speakers. In addition, most people may not know how to objectively evaluate the performance of an audio s...[Details]
The key to remodeling a data center is how to manage limitations and trade-offs. Decision makers must consider practical limitations (such as the weight the floor supports and the amount of cooling...[Details]
Higher Education Letter No. 1
To the Departments of Education (Education Committees), Development and Reform Commissions, and Energy Bureaus of all provinces, autonomous regions, and municipa...[Details]
On September 20, the 13th Shanghai International LED Exhibition officially opened at the Shanghai New International Expo Center. The concurrent exhibitions included the 2017 Shanghai International ...[Details]
Let's use an abacus as an example to calculate an arithmetic problem. Example: 36 + 163 × 156 - 166 ÷ 34. Now to perform the calculation, we first need an abacus, followed by paper and pen. We write...[Details]
Recently, Everwin issued an announcement that due to the relevant arrangements of the investment plan, Midea Group, a shareholder holding more than 5%, plans to reduce its holdings by no more than ...[Details]
There are a few things to note:
1. It is necessary to call the MMU function to implement memory mapping;
2. After the interrupt is triggered and the interrupt processing function is entered, the co...[Details]
Frequency converter
As an electronic speed control device with a very high degree of automation, it has a wide speed control range, stable speed, high precision, can realize automatic c...[Details]
LED is very popular in the market because of its high efficiency and low energy consumption. Therefore, it is widely used in display lighting , signal indicator lights and other fields. However...[Details]
TI's Impedance Track™
battery fuel gauge technology is a powerful adaptive algorithm that remembers how battery characteristics change over time. Combining this algorithm with the spec...[Details]
CAN receives and filters messages: identifier filtering: (key points and difficulties) In the CAN protocol, the identifier of the message does not represent the address of the node, but is relate...[Details]
The recent news that Google researchers have reportedly achieved the so-called "quantum supremacy" technology after unremitting efforts has caused great excitement because the technology has been hot...[Details]
On November 10, data released by the China Association of Automobile Manufacturers (CAAM) showed that in October, domestic automobile production and sales reached 2.33 million and 2.333 million respe...[Details]
AC/DC and DC/DC converters are responsible for the conversion and transmission of system power. Their role in the system is equivalent to the human heart. Once a problem occurs, the system will sto...[Details]
Lyft and Mobileye announce collaboration to help leading fleet operators drive widespread commercialization of autonomous vehicle mobility services
November 6, 2024 -
Lyft,...[Details]
RF/Wirelessly
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