If you want to draw PCB in orcad, you need to understand the concept of class and subclass. The subclass is a bit like the layer in AD and PADS, but it is not exactly the same. For example: Package Ge...
The MAX9814is a low-cost, high-performance microphone amplifier with automatic gain control (AGC) and low-noise microphone bias. The device features a low-noise front-end amplifier, a variable gain am...
Buzzers are very common devices, divided into passive and active types. Choose different types of buzzers according to project requirements. In recent projects, active buzzers are used. It's still the...
[i=s]This post was last edited by Aguilera on 2020-5-6 21:35[/i]unsigned long AFE4400_Reg_Read(unsigned char Reg_address){unsigned char SPI_Rx_buf[4]; //Store the read register valueunsigned long retV...
The development of IoT technology has brought changes to all walks of life, business models and people's life experience. In this seminar, Thundercomm will introduce how to use multi-technological inn...
Polestar 1 is a very interesting car. It is positioned as a PHEV with showy performance and brand effect. It demonstrates dual battery + dual motor operation. Although the volume will not be large, t...[Details]
The company has been researching the technology but has found it to be not mature enough to use in its devices yet. However, users may not have to wait too long, as the company is preparing to demons...[Details]
In fact, STM8 does not need a crystal oscillator and reset circuit, but in order to ensure the stable operation of the minimum system, it is best to add an external circuit. ● STM8 reset circuit d...[Details]
Let's think about a question. When we write an instruction into the microcontroller in the programmer and then remove the microcontroller, the microcontroller can execute the instruction. Then this i...[Details]
After years of development and accumulation, LED lighting technology has entered a stage of rapid development. As an important part of the lighting industry, road lighting accounts for about 20-30%...[Details]
Assume that both the augend NA and the addend NB are three-byte compressed BCD codes, which are stored in the internal RAM units 20H~22H and 30H~32H, respectively, with the low digit first and the hi...[Details]
In some warehousing management, manufacturing, meteorological observation, scientific research and daily life, the requirements for temperature and humidity are common. For example, the "Inte...[Details]
01 BLDC Motor Control Algorithm
Brushless motors are self-commutated (self-direction converting) and therefore more complex to control.
BLDC motor control requires knowledge of the ...[Details]
In 2019, when Samsung announced a strategic partnership with AMD and purchased AMD GPU license for US$100 million, many people expected Samsung processors to revive the Android ecosystem. After...[Details]
The two-year-long patent dispute between Apple and Qualcomm has finally come to a conclusion. According to Reuters, the Qualcomm-Apple patent dispute case opened in the San Diego federal court ...[Details]
Concept diagram of the latest electromagnetic wave absorption and shielding materials. Image source: Korea Institute of Materials Science
Scientists at the Korea Institute of M...[Details]
1.__asm
The keyword __asm is used to tell the compiler that the following code is written in assembly language, so that assembly statements can be used directly in C programs.
2.__inline
...[Details]
As the number of Internet of Things (IoT) devices proliferates (the total number of IoT devices is predicted to exceed 40 billion by 2025) , so do our expectations for fast, energy-efficient, and sec...[Details]
Recently many netizens have been asking about the production of a self-balancing car controlled by a single-chip microcomputer. In fact, this was clearly stated in a document written by Professor Zhuo...[Details]
Looking back at the lighting industry, with the development of science and technology, lighting sources have evolved from incandescent lamps, fluorescent lamps, and HID to the fourth generation of gr...[Details]
PCB Design
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