-
**The bandwidth seen on the oscilloscope body is the -3dB bandwidth of the oscilloscope, **as shown in the figure below. The bandwidth of the oscilloscope must be at least 5 times the signal freque...[Details]
-
The following is an introduction to the part where I modified the source code. I downloaded the official example. I used the STM32F103C8T6 chip and modified the ROM space size to 0x2000. Modify ...[Details]
-
Among the new generation of liquid crystal (LCD) panels, the GIP (Gate in Panel) or GOA panel is the one that can be stably mass-produced, cost-reduced and energy-efficient. In the system of this t...[Details]
-
void delay(char n) { char i; for(i=n;i 0;i--); //Look at the assembly and you will find that 3 instruction cycles are used here. The 4M crystal oscillator is 3us and the 51 microcontroller 12...[Details]
-
The transistor is an instrument that uses direct current power supply instead of a hand-cranked generator. The alternating voltage generated by the transistor oscillator outputs a direct current volt...[Details]
-
Source: Number of vehicle factory certificates; Analysis and charting: Electric Vehicle Observer As expected, the installed capacity of power batteries still fell sharply in October compared with ...[Details]
-
Mobile DVB-T receivers use antenna diversity, but it comes at the expense of increased power consumption and size. Antenna diversity requires a minimum distance between the two antennas, making it dif...[Details]
-
1. Compilation reason: I used the zImage file of Stao, and the MPlayer I compiled myself could not be used. I had to add the --nosound option to play the video. Later, I saw an article saying t...[Details]
-
The performance of listed companies objectively reflects the market conditions. In 2021, due to the shortage of raw materials such as chips, the performance of mobile phone concept stocks was lower t...[Details]
-
#include "STC12.h" // STC12C5A60S2 @ 22.0184Mhz accurate delay void delay_10us(unsigned char n) {
unsigned char i, j; for (j = 0; j n; j++) for (i = 0; i 25; i++);
}void delay_1ms(u...[Details]
-
As early as 1980, my country had already started to study new energy vehicles, but the research was not in-depth. Subsequently, my country launched the 11th Five-Year Plan, and new energy vehicles we...[Details]
-
In Keil C51, numbers cannot be assigned directly in binary form, although it is possible in 8051 assembly. Although binary numbers are long to write and prone to errors, because they are written one b...[Details]
-
Since the beginning of the 21st century, micro-satellites have gradually become an important development direction in the field of international aerospace technology research due to thei...[Details]
-
In the first edition of his new Power on newsletter for Bloomberg, Mark Gurman said Apple is exploring future iPads with larger displays, adding that a potential launch is probably at least a few yea...[Details]
-
High-voltage soft start cabinet is a device used for high-voltage motor starting. Its main function is to reduce the current impact when the motor starts and extend the service life of the motor. T...[Details]