Many years ago, a developer, seeking a deeper understanding of embedded systems, asked this question: How can I know and understand what my system is doing?
I was a little surprised by this question b...
As shown in the figure, the D15 diode at the secondary end of the switching power supply has its open measurement waveform as shown below, green is the current, and orange is the voltage:
At the momen...
[i=s]This post was last edited by reayfei on 2020-1-7 00:06[/i]Appearance design
The design of the evaluation board is very concise, and the appearance interface is clear at a glance.
A very small BLE...
Recommended reasons:
The introduction of high-performance switching power supply - 28V DC-DC synchronous buck converter is easy to understand and worth recommending. With high efficiency and low surfa...
[i=s] This post was last edited by bqgup on 2019-4-11 20:23 [/i] [postbg]3.jpg[/postbg][font=黑体][size=4] In Quartus II 9 software, in addition to using its powerful internal offline simulation functio...
SGM42507 is a full-bridge driver designed for small motors (<7.5V, 1.5A; brushed motor speed regulation and commutation, other types of motor winding drive) and electromagnets. It can be used for DC m...
Introduction LED is a light emitting diode, there is nothing much to say. The only point is that low level is effective! Schematic Code section #include REGX52.H void delay() { unsign...[Details]
In May, Volkswagen suspended the delivery of models such as the Golf 8 and Skoda Octavia. These popular Volkswagen cars were equipped with the latest MIB3 and OCU3 (low configuration), but encountere...[Details]
Small power electric motors need to be 3C certified before they can be sold normally in the country.
Motor 3c certification rules:
The 3C certification of electric motors requires t...[Details]
On December 10, Wingtech Technology stated on the investor interaction platform that the company has currently built core competitive barriers for the development of the IGBT business in terms of R&D...[Details]
Introduction The S12X architecture is a 16-bit CPU launched by Freescale, which has a certain market share in single-chip microcomputer applications. μC/OS-III is a real-time operating system (RT...[Details]
This series of tutorials takes AVR microcontroller as the object and introduces the rapid development method of microcontroller. Reference textbook: "Microcontroller Technology and Application Proj...[Details]
The Bluetooth Special Interest Group (SIG) today released the "2020 Bluetooth Market Update". As Bluetooth technology continues to expand from a personal communication solution to a connectivity engi...[Details]
Alexa, can you keep a secret? We are all used to the convenience of smart speakers, such as Amazon Echo at home and voice assistants such as Siri on mobile phones. However, in addition to convenienc...[Details]
According to Jiwei.com on December 29, Xiaomi 11 was officially released yesterday, with a starting price of 3,999 yuan. What’s interesting is that before the phone goes on sale, the official quickly...[Details]
The avr serial port configuration is very simple, just configure a few registers to send and receive; But there are a few things to understand: 1. Once the serial port is successfully configured,...[Details]
The domestic mobile phone market has indeed brought many surprises to global consumers! Looking at the global mobile phone market, after Huawei was sanctioned, Apple and Samsung occupied the main hig...[Details]
Abstract DMA as a character device and call it in the initialization function
void *dma_alloc_writecombine(struct device *dev, size_t size, dma_addr_t *handle, gfp_t gfp)
...[Details]
The servo motor encoder is an important component of the servo motor. It can convert the motor's rotation angle, speed and other information into electrical signals to provide accurate position and...[Details]
Programming Basics
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