There are a large number of oscillators composed of crystal oscillators in single-chip microcomputers (microcontrollers). Let's take a brief look at them. I. Circuit 1 As shown in the figure below. Th...
1. Unpacking the board
When I received the development board, I couldn't wait to open the box. Compared with other development boards, the first thing I saw on the RVB2601 development board of Pingtou...
The previous micropython containers in docker are relatively old. In order to facilitate everyone's use, a new container is created in docker, which can easily compile the source code. The source code...
Often, in the design of some products, the FPGA is required to hold several designs, which may be slightly modified products on the same platform, or different modes of the same product, such as self-...
The so-called multi-threading is simulated, and is essentially single-threaded, because the CPU can only execute one piece of code at the same time. Simulated multi-threading means rapid switching be...[Details]
3. Power Line-Based Digital Home Implementation Solution
Abstract: The characteristics of power line carrier data communication are analyzed, several typical power line carrier chips are introduc...[Details]
Recently, when debugging microcontroller programs, I always encounter some things that I think are incredible at first. Later, after solving the problems, I found that it was because I did not write ...[Details]
This article analyzes and calculates the switching loss in detail, and discusses the turn-on process and natural zero-voltage turn-off process of the power MOSFET under actual conditions, so that e...[Details]
Class D audio power amplifiers are widely used in portable and miniaturized consumer products. This article introduces the design principle of the output low-pass filter of the Class D audio amplifier...[Details]
If the names of previous generations are used, Qualcomm will soon launch the Snapdragon 875 mobile platform. Samsung and Xiaomi may be the first companies to launch flagship phones with Snapdragon 87...[Details]
Recently, Texas Instruments launched new 100V gallium nitride-LMG2100 and LMG3100 series products, filling the company's gap in the mid-voltage market around 100V. With the help of new generation gal...[Details]
When I was debugging a program today, I found that the global variable was changed in the interrupt. The code is as follows
.....
unsigned char num=0;
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INTERRUPT()
{
.... ...[Details]
As the Chinese passenger car market is stratified into basic (represented by L0-L2, including partial lane change assistance) and advanced (represented by NOA, point-to-point navigation assistance)...[Details]
In order to reflect the error of an instrument from a global perspective, the maximum reference (full-scale) error of the instrument is used, that is . In the formula, is the absolute error limit of ...[Details]
Allegro MicroSystems (hereinafter referred to as Allegro), a global leader in sensing technology and power semiconductor solutions for motion control and energy-saving systems, recently announced t...[Details]
What is a small signal? A signal with a very small absolute amplitude is added to a DC signal. The signal has a very small variation range. The signal amplitude varies from time to time. The dynamic ...[Details]
Recently, at the Munich Shanghai Electronics Show, MPS demonstrated its products around six major applications, including automotive, AI, new energy, power modules, ADC, ACDC and other combinations. ...[Details]
Focusing on the intelligent construction of buildings, Xingzong IoT appeared in multiple IoT industry events On March 20, the National Beacon Committee’s Internet of Things Sub-Technical Committee ...[Details]
Advanced Driver Assistant System (ADAS) is an active safety technology that uses various sensors installed on the car to collect environmental data inside and outside the car at the first time, and...[Details]
Analog electronics
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