[i=s]This post was last edited by IC Crawler on 2022-9-25 18:46[/i]According to the Allwinner V853 SDK download environment, the following error occurs when installing the repo:repo help
/usr/bin/env:...
[align=center][font=微软雅黑][/font][/align][font=微软雅黑] [size=4]The golden March and silver April, the recruitment season is here. Xiaoguan collected some interview and written test materials at the EE Do...
There are many types of field effect tubes. The following takes the SPP20N60C3 tube as an example. It is an Infineon Cool MOS tube, 600V20A0.19Ω.First of all, be careful not to touch the pins with you...
[i=s]This post was last edited by jinglixixi on 2022-5-3 21:27[/i]The GD32F310 development board was delivered before May Day, which was really a pleasure. Its appearance is shown in Figure 1.
The MCU...
I suddenly had the urge to do a series of topics on music visualization. This topic is a bit difficult and covers a wide range of areas. The related FFT and FHT algorithms are also quite complicated, ...
[size=4] LoRa is an ultra-long-range wireless transmission solution based on spread spectrum technology, and is one of the communication technologies for the Internet of Things. Its name comes from th...
Triangle connection principle diagram
Star connection principle diagram:
The meaning of star connection: The star connection of the motor is to connect one end of each phase winding...[Details]
1. Background
A recent project requires the use of STM32F103xx to implement CAN communication, and the message filtering of the CAN bus has different mechanisms on each MCU.
For example, ...[Details]
According to the Taiwan Economic Daily, Apple is expected to release a MacBook equipped with its own processor on November 17. The chip may be exclusively manufactured by TSMC, and the assembly plant...[Details]
RFID (Radio Frequency Identification) technology is an automatic identification technology that has matured since the 1980s. This paper analyzes the potential safety hazards of RFID systems in detail ...[Details]
According to news on July 5, the protracted patent war between Apple and Optis continues. Apple failed to convince the UK Court of Appeals (UK Court of Appeals), which means it still has to pay up to...[Details]
Contents The present invention relates to an ultrasonic flow meter configured to measure a flow rate of a liquid, and in particular to a flow meter that is insensitive to air bubbles attached to a tr...[Details]
Goldman Sachs analyst Rod Hall told CNBC on Tuesday that consumers may not notice improvements in phone performance when using 5G phones. "We call 5G a brand, not a feature," Hall said when discussi...[Details]
Samsung Electronics (Korean: 삼성전자 ) is the largest electronics industrial enterprise in South Korea and the largest subsidiary of Samsung Group. Samsung Electronics was founded in Daegu, South Korea ...[Details]
introduction Temperature measurement and control play a vital role in today's social life. The various temperature measurement technologies currently available in the international and domestic...[Details]
1. Data Type The data types of C language used by our 51 microcontroller are divided into the following categories: figure 1 Figure 1 lists all the basic types of C51 ...[Details]
1 Introduction
At present, semiconductor light-emitting diodes (LEDs) have been widely used in lighting fields such as indicator lights, instrument displays, mobile phone backlights , an...[Details]
I am using the Keil uVision5 version After writing the code, compile it first, and debug it only if there is no error After that, the following toolbar will pop up. The first reset is a reset, wh...[Details]
What’s popular in smart cockpits this year? According to the trends summarized in the 11th Xuanyuan Awards smart cockpit evaluation, the evaluation team predicts that the use of large models in the...[Details]
What is Activation Lock? How does it protect your device? Apple Support has summarized the most frequently asked questions and answers about Activation Lock. How does Activation Lock protect my d...[Details]
In the program, two counter variables are used, COUNT1 for the ones digit and COUNT10 for the tens digit. In addition, after each LED is lit 5 times, the ones digit is automatically increased by 1,...[Details]