In today's society, with the continuous advancement of science and technology, more and more contemporary medical devices have been rapidly developed, especially electronic instruments that are in dir...
I saw many people driving OLED using I2C, but the OLED module I had was already soldered with SPI, so I tried to drive it using SPI. . . . I referred to [color=#333333][size=3]ESP8266 SPI Drive OLED[/...
Hey guys, after my RIL is running, none of the commands I send are successfully returned, all of them are TIMEOUT. But when I don't load RIL, I get a response when I use an application to write comman...
In our common understanding, dimensioning is mostly used in PCB production and welding assembly files to mark the size of components and borders. Generally, in the design process, it is customary to p...
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]
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]
1. Fault phenomenon and cause analysis
1. During the operation of the equipment, the expansion sleeve is subjected to a large torque, and the mating surfaces of the shaft and the sleeve move...[Details]
In the field of communications power supplies, AC/DC rectifier power supplies are called primary power supplies or basic power supplies, while DC/DC converters are called secondary power supplies. ...[Details]
01. Introduction
As in-vehicle networks migrate from the CAN
bus
to
Ethernet
, traditional millisecond-level synchronization accuracy can no longer meet the requirements of mul...[Details]
ESD protection diodes are specialized for small-signal ESD protection or surge protection TVS arrays, often used for multi-circuit protection. Their small package size, low on-state voltage, high i...[Details]
Deep in the laboratory, a seemingly ordinary piece
of
battery
material
was fed into the China Advanced Research Reactor (CARR). Scientists activated the neutron depth profiling device,...[Details]
introduction
Whether in the automotive entertainment or home theater system markets, consumers continue to demand more channels and speakers, each capable of handling higher audio po...[Details]
Introduction
With the development of mobile internet, technological advancements, and the introduction of high-performance, low-power processing chips, the variety of smart wearable devices has...[Details]
On August 8th, at the 2025 World Conference held in Beijing, Orbbec, under the theme of "Inspired and Dynamic," unveiled a new lineup of sensing products for the robotics field. Among them were the...[Details]
Quantum dots are a cutting-edge nanomaterial. Using quantum dot materials in backlight sources has four unique advantages:
1. Longer lifespan - Since mature inorganic materials are used, the f...[Details]
1. Working Principle, Characteristics and Applications of Semiconductor Light Emitting Diodes
(1) LED lighting principle
Light-emitting diodes are made of semiconductors from Group ...[Details]
1. Types of linear motors
1. Sliding linear motor
A sliding linear motor is a friction-driven motor that uses an electromagnetic field to move a load along a guide rail. This type of moto...[Details]
On August 13, Elon Musk confirmed on the 10th of this month that although he closed the independent Dojo chip project, the successor to the Dojo 2 data center-level AI chip "Dojo 3" planned to be m...[Details]