[i=s]This post was last edited by yhye2world on 2019-8-15 15:10[/i]As shown below, RS232 to RS485 passive converter;
The terminal board on the RS485 port side is lost.Now I want to use a DB9 connector...
When debugging MQTT, because multiple modules and the same program were used, it was found that during the debugging process, when one module was online, it would squeeze out the connection of another...
Starting from now - June 16, the channel for exchanging TI points for chip points has been opened. During this period, the full amount can be exchanged according to the exchange rate. After June 24, t...
An error occurred when simulating and debugging the program: no contex-m device found in jtag chain. How to deal with it?
Model: HuaDa HC32L136K8TA The emulator is J-LINK, the detailed configuration a...
"Someone DK at the college entrance examination site of Yangxian Middle School in Shaanxi!" On June 7, the first day of the national college entrance examination, a college entrance examination substi...
3D visual imaging is one of the most important methods for industrial information perception, which can be divided into optical and non-optical imaging methods. Currently, the most widely used meth...[Details]
This article provides some insights into the automotive electrification trends that are occurring as we move toward semi-autonomous and fully autonomous driving, and in particular, the changes that n...[Details]
In the previous section, we implemented support for nand flash boot (click to view), which does not mean that uboot can read and write nand at this time, but it can burn uboot to nand and relocate th...[Details]
1. Definition of variables and variable space For 8-bit microcontrollers, the only directly supported variable types are unsigned characters and bits. Pay attention to two principles: First, alwa...[Details]
According to news on March 3, the success of Valve's Steam Deck has set off a new round of game handheld craze, including the ASUS ROG game handheld, Lenovo's Savior game handheld and many other comp...[Details]
1 Introduction
IEEE1394 is a high-speed serial bus that was originally developed by Apple as the FireWire bus in the mid-1980s. In 1995, IEEE formulated and promulgated the IEEE 1394-1995 stan...[Details]
On October 27, 2021, Huizhou Yiwei Lithium Energy Co., Ltd. (hereinafter referred to as "the Company" and "Yiwei Lithium Energy") and the Management Committee of Chengdu Economic and Technological ...[Details]
On July 14, the 3rd China Robotics Industry Annual Conference was successfully held in Suzhou. The "3rd Leerobot Robotics Industry Awards Ceremony" held at the same time released the authoritative ...[Details]
As an engineer, do you know how fast consumer electronic devices operate and how many tasks they can perform per second? The high speed operation of these devices has brought many pleasures, enabling ...[Details]
The ATmega128 ALU is directly connected to 32 general-purpose working registers. ALU operations between registers and between registers and immediate values only require one clock cycle. ALU operat...[Details]
At the 2023 CIIE, as the first semiconductor manufacturer to participate in the CIIE, ADI displayed more than 20 advanced and innovative semiconductor solution demonstrations with the theme of "activ...[Details]
ZTE has just announced that the Axon 30 series will be released on April 15. Then, the official released the promotional poster of the phone, and the appearance of the Axon 30 series was also e...[Details]
China Energy Storage Network News:
——Interview with Li Xiaoxi, Honorary Dean of the Institute of Economics and Resource Management of Beijing Normal University
Honorary Dean of the I...[Details]
Starting from noon on July 11, the EU's Galileo satellite navigation system was suddenly announced to be out of service, and the specific restoration time is yet to be determined (it has not been res...[Details]
Basic principles and requirements for PCB board design 1. The design of the printed circuit board starts with determining the size of the board. The size of the printed circuit board is limited by ...[Details]