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        When I used STM32 to write programs before, I used the default clock. Therefore, I didn't care about the RCC clock configuration when writing digital tube displays and A/D voltage measurement...[Details]

　　It is very convenient to use an electric lock to open the door from a distance. The rated voltage of the working coil of this lock is DC12V, the DC resistance is about 2Ω, and the working current i...[Details]

On April 9, the commissioning ceremony of Vinda Paper's 15MW/30MWh energy storage project (Phase I) was successfully held in Jiangmen, Guangdong. This marks the birth of the largest single low-volt...[Details]

Method of measuring DC voltage with oscilloscope and data transmission with computer           (1) Set the channel coupling mode and trigger coupling mode to DC.  　　 　　(2) Adjust the vertical sc...[Details]

This is the design of the 51 single-chip basketball scorer I made before. It took me a week. The attachment includes the source code, PCB schematic, proteus simulation file and relevant documents of ...[Details]

On a recent project, I had to dig up my old college Fast Fourier Transform (DFT) book, which had a thick layer of dust on the cover. I have actually purchased quite a few DFT books in the course of my...[Details]

1. The general table and the sub-table do not match 1. Problem manifestation In a dormitory complex, it was found that the electricity accumulated by the main meter did not match the sum of th...[Details]

The radar level meter          adopts the working mode of transmitting, reflecting and receiving. The antenna of the radar level meter emits electromagnetic waves, which are reflected by the surface ...[Details]

1. Test the linear output throttle position sensor ① Remove the throttle position sensor connection plug, use the multimeter resistance range to measure the resistance between the sensor's sig...[Details]

introduction Energy-saving and environmental protection technology is the focus of the world's current attention. In LCD display modules, the power consumption of the backlight can account...[Details]

A whistleblower revealed that the Samsung Galaxy S22 Ultra has undergone major upgrades in terms of camera, especially in terms of anti-shake and movie shooting. Ahmed Qwader said the flagship phon...[Details]

Fiber optic certification tests include: primary test, secondary test and fiber end face inspection. Level 1 testing: Conformity certification testing is performed according to the standard to dete...[Details]

Google announced today that it is partnering with iFixit to offer DIY repairs for Pixel smartphones in select regions. According to Google, starting later this year, genuine Pixel parts will be ava...[Details]

When it comes to high-power adjustable voltage-regulated power supplies with an output of more than 10A, readers who have come into contact with them will think of: a huge power transformer with taps...[Details]

Wollongong-based energy storage company Green Gravity has begun regional studies, site concept engineering and local community engagement at Mount Isa in Queensland, Australia, 1,80...[Details]