I bought a 8.86 LED desk lamp from a forum and thought it was rechargeable. When I received it, I realized it was a USB direct plug. I took it apart and installed a lithium battery for charging.The on...
The big topic of memory
key: You must have a logical diagram of memory in your mind.
What is the procedure?
Program = Code + Data
The code is placed in the code segment in Flash, and the variable data...
STM32 independent watchdog ,
Driven by a dedicated low-speed clock (LSI), it can still be effective even if the main clock fails, so this watchdog can work under requirements unrelated to the main clo...
I had the urge to do a series of topics on sound visualization. This topic is a bit difficult and covers a wide range of areas. The related FFT and FHT algorithms are also quite complicated. However, ...
China Energy Storage Network News:
The Global Energy Interconnection Development Cooperation Organization released the "Global Energy Interconnection Development Strategy White Paper", "Cross...[Details]
1. The clock of S2C2440 is multiplied by MPLL phase-locked loop, where the formula is: There are three types of clocks in the S2C2440: FLCK This is the core clock that can reach a maximum of 40...[Details]
In recent years, with the advent of high-power (HI-POWER) ultra-bright LEDs, the application field of LEDs has been greatly expanded. Now, it has very wide applications in entertainment, urban buildin...[Details]
The latest version offers increased performance and availability, new deployment options and new Omniverse Connectors to expand the ecosystem; adopters include Dentsu, Mercedes-Benz, Zaha Hadid Archi...[Details]
With the development of the electric power industry, how to improve the performance of power equipment and ensure the reliable operation of the power system is an urgent problem to be solved in power...[Details]
1. Interrupt handling process First we need to initialize the interrupt, which is mainly divided into the following three parts: Set up the interrupt so that it can send an interrupt signal, Set up...[Details]
As a non-contact non-destructive flaw detection technology, magnetic flux leakage detection has the characteristics of fast detection speed, high sensitivity, no coupling agent, and easy automation. I...[Details]
The intelligent transmitter is composed of a sensor and a microprocessor (microcomputer). It makes full use of the computing and storage capabilities of the microprocessor to process the sensor dat...[Details]
Although Ford has been developing slowly in the field of electric vehicles compared to other manufacturers (at least more aggressive than the Japanese), they have been sparing no effort to develop ne...[Details]
Preface: A beautiful mobile phone, with a beautiful ringtone, will attract countless envious eyes wherever you go. The quality of the sound of the mobile phone has a significant impact on the success ...[Details]
Backseat passengers are annoying to everyone in the car and take away the fun of traveling. Some backseat passengers often tell the driver where to go and what to do, fearing the driver will make a m...[Details]
According to new data shared recently by Canalys, Apple shipped an estimated 108.9 million "smart personal audio" devices in 2020, including AirPods and Beats headphones. Apple's shipments this ye...[Details]
BTFSS PORTB,VT ; Determine the high and low of VT pin
GOTO KEY_DOWN ; for low
BTFSC SYS_FLAG, VT_UP; is high, check whether the flag VT_UP is low
...[Details]
According to foreign media reports, the German government organized a funding of nearly 1.8 million euros and launched the "SoLiS – Development of Lithium-Sulphur Solid State Batteries in Multilayer ...[Details]
The advent of frequency converters and advanced motor control methods have made three-phase brushless motors (AC induction motors or permanent magnet synchronous motors) once a huge success in spee...[Details]
DIY/Open Source Hardware
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