C8051F020 (F020 for short) is a mixed signal SOC type 8-bit single chip microcomputer launched by Cygnal Corporation in Texas, USA. It belongs to the F02x sub-series of the C8051F series. Its performa...
When working with RF, we pay special attention to the Q value when selecting inductors and capacitors. So what is the Q value? What does the Q value mean and why is it important?
Quality factor Q: A q...
The easiest way to evaluate the timer function of a development board is to evaluate its breathing light function. The breathing light is realized by PWM wave, and PWM is generated by the timer. Open ...
ZigBee is a low-speed, short-distance wireless network protocol. Its underlying layer is the media access layer and physical layer that adopt the IEEE 802.15.4 standard. Its main features are low spee...
I saw two X capacitors on a power supply, one with two 1M resistors in series, and the other with VR selected. I would like to ask what the difference is...
The phenomenon encountered is that after powering on, ADN8834 works normally at first, and then after powering on again, it is found that the supply current increases and the voltage is pulled down. A...
OTA has become a standard feature of smart cars. While it accelerates software iteration, what problems has it exposed? Has your car been secretly "upgraded" at night? Rao Bin, the owner of GAC To...[Details]
We almost always need to measure some type of current. This article will focus on lossless current sensing techniques. Use circuit components you already have! We will look at two methods of current s...[Details]
Many digital engineers have difficulty dealing with EMC issues. Contrary to some views in the analog world, this is not because they can't speak, nor because they didn't study hard in school, and it ...[Details]
Recently, LeiShen Intelligent, a leading representative of domestic laser radar, announced the completion of nearly 300 million yuan in Series C financing. The lead investors include Chunyang Capital...[Details]
Recently, Texas Instruments (TI) announced the launch of the latest devices designed to achieve high efficiency and low noise to further expand its sensorless, brushless DC (BLDC) motor driver produc...[Details]
There are only 60 maskable interrupts in the STM32F103 series (68 in the 107 series). Interrupt management method First, group the STM32 interrupts into groups 0 to 4. At the same time, set a preem...[Details]
/*------------------------------------------------------------------------------------------------------------------- 192*64 LCD driver written by Keil C51. Thanks to many netizens for providing refe...[Details]
Definition of Microgrid
Micro-Grid, also translated as microgrid, is a new type of network structure. It is a system unit composed of a group of micro power sources, loads, energy storage systems...[Details]
In order to meet the lighting needs of fresh foods of various colors , the spectrum of fresh food lamps has become diversified. Although LED light sources with special spectra are theoretically f...[Details]
External interrupt 0 (falling edge interrupt) experimental steps: 1. Use the MINI USB cable to power on the development board and download the program. In the download software, select 11.0592MHZ for...[Details]
In recent years, semiconductor light sources are gradually entering the lighting field as a new type of solid light source. According to the principle of solid light emitting physics, the luminous ...[Details]
According to feedback from netizens on IT Home, Redmi K40 has now pushed the MIUI 12.5.14 stable version update. In addition to optimizing and fixing issues in the lock screen, status bar, ...[Details]
Acoustic Emission Study on Polarization Corrosion of LY12CZ Aluminum Alloy
The polarization corrosion behavior of LY12CZ aluminum alloy in 3.5% NaCl solution was studied using acoustic emission tec...[Details]
TL494 is designed and launched by Texas Instruments ( TI ). It contains all the functions required for switching power supply control and is widely used in various switching power supplies such as do...[Details]
In the process of software development in the automotive field, we often face a dilemma: we must pursue rapid product iteration and high performance, while ensuring key factors such as functional s...[Details]
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