This is a reposted article, which discusses the various parts of the 485 bus in detail. Some netizens have raised doubts about the reference ground interconnection of the 485 bus, so I will post a rel...
I use STM32 to write a matrix keyboard program. I have posted several posts before, but I have never finished it.Circuit Diagram:Code:
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Hardware Connection:
LCD1602 is a common LCD display screen, which displays 16 characters × 2 lines, that is, it can only display 32 characters at most. The 1602 I have is driven by 5V . After bold te...
[i=s]This post was last edited by qwqwqw2088 on 2020-11-25 08:09[/i]In a battery-powered system, power consumption requirements, power supply voltage monitoring, and system reset circuit reliability p...
Improvements in 5G radio signal processing could save $193 million per U.S. fixed wireless access mmWave O-RAN networkMobile Experts study commissioned by AccelerComm shows enhanced LDPC IP can reduce...
The 23rd China Industrial Expo is about to open. This grand event returns after a three-year absence, and its popularity can be felt in advance. This year's Industrial Expo covers an area of over...[Details]
Section 001 Auxiliary Line 1 Hardware Knowledge_Memory Interface Concept First, let's analyze the difference between operating the GPIO controller and operating the UART controller. As shown in the...[Details]
Automatic power control circuit
Automatic power
control circuit
Relying on the PIN tube inside the laser to detect the output optical power of the LD as feedback, the circui...[Details]
Serial port control register SCON (98H) SM0 and SM1 are the selection bits for the working mode in serial port 4. 00 Mode 0: 8-bit shift register, the baud rate is fixed at fosc/12 (1/12 of the ...[Details]
On September 16-17, the 2018 "Energy Think Tank" with the theme of "Change and Invariance" was held in Hangzhou, Zhejiang. This "Think Tank" focused on the development direction of China's photovol...[Details]
In the past few years, the demand for NOR flash memory in automotive applications has continued to increase. NOR flash memory was originally used in infotainment and engine control . However, as t...[Details]
OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
Due to the difference in power systems, the "three electrics" of electric vehicles replace the fuel tank, engine and gearbox of traditional fuel vehicles. They mainly include the big three electric...[Details]
The former passion, after years of consumption, is quietly cooling down. This is just like those industries that have been favored by capital, and will eventually be relegated to the sidelines becaus...[Details]
Traditional audio systems usually use linear transformer-based
power supplies
, which are not only bulky, but also increasingly expensive to manufacture as raw material prices soar. This...[Details]
The structure of an actual optical receiver is relatively complex, but overall it consists of three parts as shown in Figure 2. Its front-end circuit, the optoelectronic conversion module, often in...[Details]
element14 customers can use easy-to-use components to plan, design and deploy new products
Shanghai, China, June 25, 2024 -
Farnell, the global electronic components ...[Details]
Recently, the Energy Conservation and Comprehensive Utilization Department of the Ministry of Industry and Information Technology announced typical cases of comprehensive utilization of waste power...[Details]
A prototype blood pressure monitoring clip. Image credit: University of California, San Diego
Engineers at the University of California, San Diego, have created an inexpensive ...[Details]
In the half-bridge converter shown in the figure, the primary side of the transformer flows current throughout the entire cycle, the magnetic core is fully utilized, and the withstand voltage require...[Details]
RF/Wirelessly
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