-
Introduction With the rapid development of the domestic economy, air-conditioned cars and luxury cars have also entered a new stage of development. Air-conditioning inverter is a new type of efficie...[Details]
-
Prerequisite: DNS has been implemented in the system (ie, ping is available).
1. Add the following options to the kernel:
Networking ---
Networking support
Networking options --- ...[Details]
-
This article uses a 480 ohm resistor load test . The oscilloscope X-axis 5MS/grid and Y-axis 5V/grid electrical parameter measuring instrument displays input voltage, current, power, and power factor...[Details]
-
Today, ZTE's official Weibo account posted that ZTE Mobile has teamed up with China Broadcasting Corporation to complete VoNR voice/video test calls for 5G mobile phones in low-frequency bands in Chi...[Details]
-
Preface: Since I have learned SPI before, I know both software and hardware SPI. I found that as long as I understand the timing diagram, everything else is a piece of cake. The same is true for I2C....[Details]
-
The new energy vehicle control system connects the power battery management system and the power motor drive control system; manages, coordinates and monitors each link of the new energy vehicle po...[Details]
-
11.1 GPIO introduction 11.1.1 GPIO pins GPIO is the input and output port. S3C2440A contains 130 multi-function input/output port pins and they are eight ports as shown below: Port A (GPA): 25-bit o...[Details]
-
Recently, Crystal Optech said in an institutional survey that due to the global chip shortage in the second quarter, the shipments of mobile terminal manufacturers were affected, which indirectly aff...[Details]
-
I believe everyone has some understanding of capacitors, but there are so many types of capacitors that even industry insiders may not understand every type of capacitor. I have previously talked a...[Details]
-
1. Audio Signal and Audio Analysis Audio is an important medium in multimedia. The frequency range of audio signals we can hear is about 20Hz-20kHz, of which speech is distributed approximately withi...[Details]
-
#include "reg52.h"
#include "stdlib.h"
typedef unsigned int u16;
void delay(u16 i)
{
while(i--)
{};
}
v...[Details]
-
There are many places in C/C++ language where extern is used. However, if you don't really understand its meaning, it will cause great trouble to programming. In order to help you avoid detours, we wi...[Details]
-
BPSK modulation principle
Compared with analog communication systems, digital modulation and demodulation also use some method to move the spectrum of the baseband signal from one fre...[Details]
-
Although most CO2 sensors use infrared (IR) technology, electrochemical sensors are a serious competitor due to their high sensitivity, wide measurement range, and low price. Typically, electrochemic...[Details]
-
An amplifier is a device that can amplify the voltage or power of an input signal. It is composed of electron tubes or transistors, power transformers and other electrical components. It is used in v...[Details]