The power supply voltage of 74HC4051 is 9V. I want to use the microcontroller c8051f350 with a high level of 3.3V to control it. How can I increase the high level voltage if the high level is not enou...
int input(void) { int i,j; int rece; for(i=0;i=0&&rece=0&&rece<=9) { code[i]=rece; } else { code[]=0; i=0; } } } return(rece); } Can anyone understand this code? Can it return a 6-digit password?...
[p=26, null, left][size=3][color=#a0522d]This article assumes that everyone has a basic understanding of the concepts of DSP and the various three-letter abbreviations in the RTB ecosystem. [/color][/...
[i=s] This post was last edited by 依然青葱年少 on 2020-11-27 15:47[/i]I want to make a digital buzzer, but why can't the second circuit answer the question? From the first set of timing diagrams, we can se...
I want to buy a set of Ethernet industrial switches, including managed and unmanaged self-healing ring network products. If you have this complete solution, please contact me at 18610572972. I am inte...
1. Project Overview
1.1 Introduction
Currently, most music files are saved in MP3 format, a lossy audio compression format that cannot perfectly reproduce the original music. With the exp...[Details]
Some time ago, I attended the 4th Energy Chemistry Forum of the Chinese Chemical Society and learned about high-energy-density and high-safety batteries. I would like to summarize and share this wi...[Details]
The jammer is a signal blocker, mainly composed of a chip and a radio transmitter. When the car owner presses the remote control lock button, the jammer interferes with the electronic lock receivin...[Details]
Robotics
has become
LiDAR
's "second growth curve."
While LiDAR was still battling with its "pure vision" rivals in the automotive field, another field ignited the demand f...[Details]
Core point: The automotive industry chain and the humanoid robot industry have collaborative advantages in hardware, software, and scenarios. Upstream and downstream companies in the automotive ind...[Details]
In the summer of 2025, BlueOval SK, a joint venture between Ford and SK On, officially started production at its first battery factory in Kentucky.
According to the original plan, this w...[Details]
For autonomous vehicles to safely navigate the road, they must identify far more complex objects than just traffic lights, pedestrians, and other familiar objects. Among these obstacles is a crucia...[Details]
The all-new MG4 was recently officially announced on the Ministry of Industry and Information Technology's (MIIT) new vehicle announcement. The all-new MG4's semi-solid-state battery version addres...[Details]
1 Source of creativity
With the further development of electronic technology, electronic pets have gradually entered people's family life. At present, there are two main categories of relative...[Details]
With the development of science, the use of variable frequency technology is becoming more and more widespread, and it is used in both industrial equipment and household appliances. Inverter air co...[Details]
Pure electric vehicles, structurally speaking, have components such as a power battery. In addition to the power battery, a small battery also powers some low-voltage electrical components and even...[Details]
With the advent of the electric car era, the number of pure electric vehicles has increased significantly, but many car owners do not know how to properly maintain pure electric vehicles. In additi...[Details]
The practice of warming up a car originated with gasoline-powered vehicles. Warming up the engine allows it to enter a better working state and ensures good lubrication. This has become a habit for...[Details]
Coal mines typically contain gas and coal dust. When gas and coal dust reach a certain concentration, they can cause explosions. Electrical equipment generates arcs during normal operation or durin...[Details]
Magna's integrated in-cabin perception system fuses vision and millimeter-wave radar data to detect the presence of passengers, identify stranded children, monitor driver fatigue and vital signs, a...[Details]