TPS62840: 60nA IQ, 1.8V to 6.5V Input Voltage, High-Efficiency 750mA Step-Down ConverterThe TPS62840, a low-power switching regulator, can operate at 60 nA of quiescent current (IQ), which is only 1/3...
I want to use an op amp to make a voltage attenuation circuit to measure 3~48V DC signals. Attached is a preliminary circuit diagram, but the power frequency interference problem cannot be solved duri...
An LED lamp at home is broken. This is a common 9W LED bulb. Since it cannot be used, I thought of disassembling it and analyzing it.It is easy to disassemble. Just squeeze the lampshade in front and ...
The purpose of the test is to put a certain function into RAM and run it alone, while the others are still running in FLASH. The method I use is this: I want to put the led function into RAM [code]voi...
When solving an equation in Matlab, the output is truncated. The text exceeds the line length displayed in the command window, which is a maximum of 25,000 characters.
In order to display the full res...
The DC current error of the multimeter is large, and the nominal ranges are all positive errors (negative errors) of the same proportion. Troubleshooting Cause: For positive error: ① The resistance...[Details]
According to news on June 16, Micron Technology announced today that it plans to invest more than 4.3 billion yuan in its packaging and testing factory in Xi'an, China, in the next few years. The a...[Details]
What is a magnetic flap level gauge, what is a magnetic float level gauge? For several years, some people in the country still don't know the concept of this question. For example, some people only kn...[Details]
According to official news from the realme Indian community, realme UI will be launched soon and will be built based on ColorOS 7 and Android 10. According to the official introduction, the new rea...[Details]
Judging from the current leaks, if nothing unexpected happens, Apple will launch an updated version of the iPhone SE at the press conference on March 9. There will not be many update highlights surro...[Details]
Model selection: In stm32f10x.h, it involves chip model selection, as shown in the figure: which chip is used, just remove the comment of the chip. For specific chip selection, refer to the comments...[Details]
Leon2 is a 32-bit processor IP core that complies with the IEEE-1754 (SPARCVS) structure and was developed by Gaisler Research in 2003. Its predecessor is Leon and ERC32 developed by the European S...[Details]
1. Positioning of centralized monitoring of power environment
The power environment centralized monitoring system is a networked integrated system. The power equipment and environmental op...[Details]
In recent years, the application of high-brightness LED has developed rapidly, especially in signboards and traffic lights. For automotive applications, LED is also very attractive. Long life, shock r...[Details]
Since the first digital signal processor ( DSP ) chip was introduced in the early 1980s , DSP has brought great opportunities for the development of digital signal processing with its unique ch...[Details]
Genesys Cloud subscriptions grow more than 100% year-over-year as more companies embrace Experience as a ServiceSM Beijing, September 1, 2021 - Recently, Genesys®, the global leader in cloud custom...[Details]
Hardware testing is an essential skill for engineers. Depending on the different positions in the industry chain, hardware testing from solution companies, third-party laboratories and certification...[Details]
Simple DC motor PWM speed control circuit
The 555 is ubiquitous and can be used as simple PWM speed control
Circuit Explaination:
The 555 Ic is wired as an astab...[Details]
Original poster: Has anyone ever used a single-chip microcomputer to control a mobile phone module? The mobile phone chip has a wireless transmission function, right? I connect the MCU to the chip an...[Details]
In the field of energy storage, in addition to electricity metering equipment, there are a variety of products and technologies that can improve the efficiency and performance of energy storage s...[Details]
Analogue and Mixed Signal
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