There are two STM32 MCUs on the board. Due to design limitations, the two MCUs are going to use CAN communication, but I don't want to add interface chips such as TAJ1050. Can I directly connect the R...
[i=s]This post was last edited by nich20xx on 2020-6-17 06:36[/i]1 Introduction
The STM32WL series is a well-designed SoC chip designed by ST for the Internet of Things, especially for the LPWAN field...
I'm going to use the MP2307DN to make a 2A, 5V circuit. I found an old schematic and it's a proven circuit! It works, but when I opened the "datasheet", I found the circuit diagram was like this.
Ther...
As shown in the picture, when I change the voltage, the current remains unchanged, but when I change the resistance of R2, the current changes. Why is that?...
After Cadence Allegro was upgraded to 17.x, the function of converting to lower versions was cancelled. If users need to extract a library from 17.x, it becomes very difficult. At this time, the only ...
In this article, we will introduce several well-known topologies, which are generally used in the design of linear and switching power supplies. Each topology has both common and unique characteris...[Details]
For automobile companies, after experiencing one black swan event after another, they now feel more strongly the importance of supply chain resilience. On April 22, the China Passenger Car Associa...[Details]
A servo system, also known as a follow-up system, is an automatic control system that can track the input command signal to obtain accurate position, speed or force output. Most servo systems have ...[Details]
1. Introduction According to statistics, the annual capacity of single-chip microcomputers in China has reached 100-300 million pieces, and it is growing at a rate of about 16% per year, but China's...[Details]
Humanoid
robots,
once considered to be "existing only in science fiction movies", are breaking free from the shackles of imagination and moving towards commercial mass production. In thi...[Details]
On-site rapid plate making tool - another perfect appearance of Mengzhimo T series products
From October 29th to November 1st, the 2021 Jiangsu Province College Student Electronic De...[Details]
1 Anti-interference measures when using infrared thermometer
Interference comes from interference sources, which may exist inside or outside the instrument . Outside the instrument, some high...[Details]
Suddenly, the method of transferring floating-point numbers between the microcontroller and the host computer was used. 1. Convert the floating point number to an integer and then pass the integer in...[Details]
The mmap function used in user space is provided by glibc Statement found through man mmap #include sys/mman.h void *mmap(void *addr, size_t length, int prot, int flags, int fd, off_t offset);...[Details]
The four-wire test method is considered to be the best test solution so far to eliminate the error introduced by the lead resistance (or minimize it). As a beginner, in addition to understanding the ...[Details]
There are three uses for inductors: choke, filter, and oscillation. 1. Choke: It is used in low-frequency circuits to prevent low-frequency AC current from flowing to pure DC circuits. It is ofte...[Details]
/******************************* RB0 of PORTB can be used as an external interrupt signal input, and can generate an interrupt response to the rising or falling edge transition of the input signal. ...[Details]
The evolution of automotive electrical architecture towards centralization
Centralized architecture has become the mainstream of intelligent driving, and Ethernet occupies an advantageous posi...[Details]
1 Introduction
Fujian Hengyuan Tap Water Co., Ltd. is located in Sanming City, Fujian Province. It is responsible for the supply of water for the entire Sanming citizens and the industrial...[Details]
introduction "The Twist" refers to the twisted pair cable, which was patented by Alexander Graham Bell in 1881. The technology is still used today because it provides many conveniences. In addition, ...[Details]