With the rapid development of mobile Internet and Internet of Things, and the emergence of more and more smart devices, there will be great communication needs in various fields such as AR/VR, ultra-h...
When measuring capacitance with a capacitance meter, a negative sign is displayed before the measurement result. Even if the needle is swapped, the negative sign is still displayed. What is the reason...
1. Introduction
Originally, I wanted to design a portable device for people entering tunnels or mines to wear. Since there are no NB or 4G signals in tunnels or mines, signals can only be transmitted ...
w494143467onsemi and Avnet IoT Innovation Design Competition
Using the opamp6 of stm32g474 configured in voltage follower internal connection mode, connected to adc4 internally, the sampled adc4 data is always zero, and opamp6_vinp cannot be changed.
opamp6_vin...
[i=s]This post was last edited by Jacktang on 2020-9-21 21:05[/i]As one of the main ways of interaction between humans and machines, the human machine interface (HMI) is a fundamental part of process ...
Let's do an exercise directly and define a function to exchange the contents of two variables.
void swap(int *x, int *y);void main(){int x = 20, y = 10;swap(x, y);printf("x = %d, y = %d", x ,y);}void ...
Last year, the sudden rise of Apple M1 showed us Apple’s achievements in chips. Some foreign media reported that Intel is in contact with chip maker TSMC to outsource its chip manufacturing busi...[Details]
TrustZone is an extension of ARM6 by ARM. It only adds one instruction, one configuration status bit, and a new secure state that is different from kernel state and user state. ARM did not design Trus...[Details]
According to Cailianshe, Apple's autumn conference in September is coming as scheduled, and at least four iPhone models will be released this time. This period is also a critical time for Foxconn, th...[Details]
1.The relationship between I2c master control and slave device For write operations, the master acts as a transmitter and the slave device acts as a receiver. For read operations, the master acts ...[Details]
July 4, 2022 – Mouser Electronics, the industry’s leading New Product Introduction (NPI) distributor with the widest selection of semiconductors and electronic components™, is now stocking the RZ/V2L...[Details]
Recently, the first functional safety MCU of Jiefa Technology under NavInfo, AC7840x, was returned ahead of schedule and successfully started up. The arrival of AC7840x will comprehensively improve t...[Details]
1. Accurately measure AC voltage When accurately measuring AC voltage, insert the red DC ammeter into the "VΩ" socket and the black DC ammeter into the "COM" socket. Select the "DC V" position on the...[Details]
Recently, the project requires the development of an STM8 upgrade system, that is, upgrading the APP through IAP. MCU: STM8S207M8 (different models only need to modify the corresponding interface) ...[Details]
Experience: Serial port 2 can only use "independent baud rate generator" as the baud rate generator;
serial port 1 can use timer 1 as the baud rate generator, or choose "independent baud rate genera...[Details]
HMD Global launched the Nokia 2.4 and Nokia 3.4 in September this year. This cost-effective smartphone offers some interesting features such as multi-camera setup, good battery life, etc. The company...[Details]
On March 25, according to the US financial website CNBC, Apple will hold a press conference at 10 a.m. local time on March 25 (1 a.m. Beijing time on March 26) at the Cupertino campus in California, ...[Details]
The C51 compiler supports pointer declaration using an asterisk (*). You can use pointers to perform all operations in the standard C language. In addition, due to the unique structure of 8051 and it...[Details]
What is Differential Scanning Calorimetry? Differential Scanning Calorimeter measures the relationship between temperature and heat flow related to thermal transitions within materials. It has a ...[Details]
Experienced drivers who drive frequently may have encountered this situation: when the vehicle passes through a road section with tall buildings or a tunnel, our navigation will show a "satell...[Details]