[i=s]This post was last edited by beyondvv on 2019-3-7 11:55[/i] I suddenly received a courier yesterday. When I opened it, I found it was a pair of Sony headphones sent by EEWORLD. I just happened to...
[backcolor=white][size=4][color=#000000]The source program of the microcontroller is as follows:[/color][/size][/backcolor] [backcolor=white][size=4][color=#000000]//**********************************...
In addition to MicroPython, RPi PICO can also run CircuitPython. Although CircuitPython is not as comprehensive as MicroPython, it has better support for USB and some specific devices. The firmware up...
Different from the dense digital circuits, the unique characteristics of microwaves make microwave circuits extremely beautiful. Let's enjoy the design examples of microwave circuits.Hurry and collect...
As an electronic technology practitioner, have you learned single-chip microcomputers? Can you use single-chip microcomputers? I think you must have learned them, but you may not be able to use them. ...
LCALL addr16 ; long call ACALL addr11; absolute call 1.LCALL addr16; transfer range 64KB, does not affect the flag bit. The following process is automatically completed during execution: ...[Details]
Today, I will introduce the technical knowledge of "electric compressors". The content is full of practical information, including: types of compressors, characteristics and models of electric comp...[Details]
1. Introduction
Today, with the rapid development of science and technology, test systems have put forward higher and higher requirements for the methods, equipment, and technologies used. Virtual ...[Details]
1. End-to-end security
In the whole card reading process, the CPU card application solution provided by LEGIC not only keeps the data confidential on the front card, but also provides very strict pro...[Details]
With the theme of "Gathering Wisdom, Creating the Future", the 2019 STM32 Summit focuses on three major topics: artificial intelligence and computing, industry and security, and cloud technology and ...[Details]
GRAS launches the new 12Bx series of TEDS-enabled measurement microphone power modules, which are cost-effective, reduce setup time, and improve test efficiency! GRAS Sound & Vibration, a subsidiar...[Details]
1 Introduction
LCD is a passive light-emitting device, which does not emit light by itself, so a backlight module is required to provide light for LCD. The light sources used as backlight modu...[Details]
1. Introduction
One of the most expensive and heaviest components in a UPS is the output transformer. Since it is unlikely that the cost and weight of the transformer core material used to con...[Details]
It is important to analyze the frequency components in the signal because they often cause noise in the design, which can lead to malfunction of the device if the allowed tolerances are exceeded. Ser...[Details]
Main control STC89C52RC crystal oscillator: 11.0592 while(NRF24L01_TxPacket(tmp_buf)!=TX_OK); //If the transmission fails, it will continue to send until the other party receives it successfully. ...[Details]
Although some fans hope that Google will announce the Pixel 6a affordable phone at the I/O developer conference in May this year, it has been reported that the phone will release the Pixel 6a ...[Details]
Working principle of series motor speed regulation
The principle of series motor speed regulation can be explained in the following steps:
1. Change the excitation current: By changing th...[Details]
The course comprehensive design done before the winter vacation integrates single-chip microcomputer technology, analog electronic technology, power electronic technology, and automatic control techn...[Details]
According to statistics from the China Electronic Special Equipment Industry Association, in 2009, the sales revenue of my country's electronic special equipment industry accounted for only 2% of the ...[Details]
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