This is my first time to use a RISC-V microcontroller. Before applying for a development board, I checked some information and learned that this microcontroller cannot be developed using a conventiona...
C1, after charging between the live and neutral wires, how does the discharge circuit go? After R1-D3, D1 is reversely connected and cannot be connected, right? ? ?...
430fr5739 is brand new, 150 yuan. The router has an 86 panel. You can refer to it for details. However, mine is second-hand. I bought it from this store before. Now I don’t need it. I will sell it to ...
I have a USB device connected to my computer. The driver is built into the device. When I use CreateFile to open the device path, the returned handle is correct. However, when I use Writefile to write...
introduction
Bluetooth technology is a short-range wireless communication technology designed to replace wired cables. It is a wireless communication technology standard developed by the SIG, ...[Details]
Long ago, the lifespan of cars in my country was 15 years. Once a car reached 15 years old, it was forced to be scrapped. However, the policy was later changed. As long as the car does not exceed 6...[Details]
On August 25th, SK Hynix announced that it has completed development and entered mass production of its 321-layer, 2Tb QLC NAND flash memory product. This achievement marks the world's first applic...[Details]
introduction
According to the China Fire Statistics Yearbook, electrical fires accounted for more than 30% of fire accidents in the past decade, and the trend is increasing year by year. They ...[Details]
A multilevel inverter converts a DC signal into a multilevel staircase waveform. Instead of a straight positive-negative output waveform, the output waveform of a multilevel inverter alternates in ...[Details]
Over the past decade, the narrative surrounding fuel vehicles has been one of decline and replacement. Under the onslaught of new energy vehicles, traditional automakers have been forced to acceler...[Details]
With the increasing popularity of automated equipment, linear modules, a common auxiliary device for automated equipment, have also seen a bright future. In particular, in recent years, many small ...[Details]
Smartphones can be incredibly unintelligent. For example, consider an office full of people, each absorbed in their work. Suddenly, the silence is broken by a burst of loud pop music. A colleague's...[Details]
Lithium-ion batteries are a key component of electric vehicles. Their high energy density enables them to store a large amount of energy in a relatively compact and lightweight package, which is cr...[Details]
For self-driving cars, LiDAR is the sensory organ that allows them to "see the road." Simply put, its operating principle involves sending out a laser beam, receiving the echo, and ultimately gener...[Details]
The Waveshare ESP32-P4-ETH is a compact ESP32-P4 development board with Ethernet and PoE support. It looks very similar to the Olimex ESP32-P4-DevKit, minus the pUEXT connector. However, we've also...[Details]
At present, the most troubling thing about pure electric vehicles as new energy sources is not only the range anxiety, but also the disadvantage of long charging time. At present, ternary lithium b...[Details]
The drive shaft is a high-speed, low-support rotating body, so its dynamic balance is crucial. Generally, drive shafts undergo dynamic balancing tests and adjustments on a balancing machine before ...[Details]
According to foreign media reports, Apple is secretly evaluating several artificial intelligence hardware concepts, including smart home displays, security devices and a desktop robot, of which the...[Details]
1. Static Balance
Static balancing is performed on one correction surface of the rotor. The remaining unbalance after correction is used to ensure that the rotor is within the specified range ...[Details]