Basic concepts and issues
1. Bluetooth design paradigm?
When a mobile phone scans and connects to a low-power Bluetooth device, the mobile phone and the Bluetooth device form a client-server architect...
When I was doing a serial communication experiment with STM32F103 recently, I used the tick timer to delay and sent data every 1s in a query mode, but only received data once in the serial debugging a...
[size=4]#include[/size] [size=4]const int length=180/*The voice frame length is 180 points = 22.5ms@8kHz sampling*/[/size] [size=4]void filter(int xin[], int xout[], int n, float h[]);/*Filter subrout...
The LM3S series is basically a 10-bit ADC. How is it different from other manufacturers' 12-bit ADCs? What are their advantages? I read a post saying that although the LM3S ADC is 10-bit, its accuracy...
#includepic.h void main(void) {ANSEL=0x00; TRISIO=0x00000000; GPIO=0xff; GIE=1; while(1){} } Question:Why is there no output on my microcontroller pin?...
In Dr. Covey's "The 7 Habits of Highly Effective People", he put forward an interesting point of view: any creation actually goes through two levels, one is "mental creation" and the other is "actual ...
On August 23rd, Geely's subsidiary, Jiyao Tongxing, announced it has the industry's largest advanced production capacity for tandao
batteries
, with eight production bases across China. Jiy...[Details]
When you are happily watching NBA or football, your wife asks you to turn off the lights in the bedroom. Would you be depressed? Of course, unless you are not afraid of your wife.
Now you are ...[Details]
Is electromagnetic radiation from electric vehicles harmful to the human body? Recently, the issue of electromagnetic radiation from electric vehicles has garnered widespread attention. However, pu...[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]
With the rapid adoption of smart electric vehicles, automotive chips are evolving from auxiliary control units to the foundation of the entire vehicle's intelligence. Their applications extend from...[Details]
On August 21st, Zhiyuan Robotics revealed at its first partner conference that it expects shipments to reach thousands of units this year and tens of thousands next year. The company hopes to reach...[Details]
introduction
As “energy conservation and emission reduction” has become an indicator of the National Economic Development Outline of the 11th Five-Year Plan, people’s awareness of green enviro...[Details]
In the scorching summer, electric fans are a must-have for cooling down people's homes. However, I believe most people have encountered this situation: the fan is plugged in, the switch is pressed,...[Details]
One of the most core components of electric vehicles is the motor. The power supply provides electrical energy to the motor, which converts this electrical energy into mechanical energy, which in t...[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]
China, August 21, 2025 – STMicroelectronics (NYSE: STM), a world-leading semiconductor company serving a wide range of electronics applications, has published its IFRS 2025 semi-annual financial re...[Details]
Civilian internal combustion engines operate in the range of approximately 1000-4000 rpm. This results in the engine's kinetic energy being ineffective at low or high rpm, making starting difficult...[Details]
introduction
The rapid adoption of computers has led to a growing number of tasks being performed on them. People from all walks of life, especially programmers and writers, are spending incre...[Details]
The fracture mechanism is stress concentration, which typically occurs at the capacitor lead pins or pad connection points, as shown in the figure. Under vibration, the capacitor lead pins and pad ...[Details]
Batteries are a core component of new energy vehicles, accounting for over 40% of the total cost. This is also the area where automakers are most willing to tamper with costs. Since 2021, domestic ...[Details]
Wireless Connectivity
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