Source: Filter
Author: Junmao
Over the past two decades, we have witnessed the transformation of mobile communications from 1G to 4G LTE. During this period, key communication technologies have change...
RVB2601 connects to ES8156 DAC chip through I2S and I2C bus, converts digital signal into analog signal and transmits it to PA to realize audio output . I2C is used to configure some parameters, and I...
From Beijing to Seoul,From Bangalore to Hyderabad, Tokyo, Singapore, Taipei...A technological feast for the future data revolution.It is about to begin amid the attention of the global information ind...
Are the rules for posting and replying on mobile and PC different? Following the same rules, it seems that there is no prestige value on the mobile, only point value?...
The RISC-V single-board computer used in this trial provides us with 40 pin interfaces, including the SPI interface. WhatI want to share today is how to use SPI to drive the ws2812B colorful lamp bead...
1. Battery voltage detection .
2. Voltage displayed on LCD1602
3. When the voltage is lower than 2.6V, the indicator light flashes.
4. When the voltage is higher than 3.3V, the indicator light flashes...
The OnePlus Nord 2 CE phone was previously exposed and passed the BIS certification in December last year. According to mysmartprice, the OnePlus Nord 2 CE will be officially released next mon...[Details]
Today, Google developers said that as part of the Flutter 2 release, Flutter's web support has now entered the stable version. It is reported that the first version of Flutter supports iOS and...[Details]
The Hubei Provincial Automotive Grade Chip Industry Technology Innovation Consortium, led by Dongfeng Motor Corporation, has recently achieved the first tape-out of three domestic blank automotive gr...[Details]
The front-end machine is composed of an 8031 single-chip computer system with an RS-422 interface , which is placed near the control site. The communication controller is an interface board wit...[Details]
According to foreign media LetsgoDigital, Caviar recently launched a limited edition series for Apple Watch 6, which includes 4 exclusive models. The top model has a gold case and 109 diamonds,...[Details]
This is extracted from a successfully manufactured tracking car.
Download address of schematic diagram and source code compressed package: http://www.51hei.com/bbs/dpj-19526-1.html
The following...[Details]
Samsung launched the Galaxy A80 BLACKPINK special edition in Southeast Asia (BLACKPINK is a Korean girl group). It is reported that Samsung invited BLACKPINK to sing several songs live at th...[Details]
introduction Since I started to develop software in the embedded field, I have almost always used microcontrollers based on the ARM Cortex M core series. Thanks to the existence of the C language com...[Details]
Different test scenarios have signals with different characteristics that need to be captured. The demand for capturing special abnormal signals is becoming more and more. This requires engineers to ...[Details]
Capacitive touch screen structure diagram 1. Concept of capacitive touch screen Capacitive touch screen technology works by using the current induction of the human body. The capacitive touch scre...[Details]
Many people must have seen "#ifndef/#define/#endif in header files prevents the header file from being repeatedly referenced". But do you understand what "being repeatedly referenced" means? Does it ...[Details]
Source meter, SMU (Source MeasureUnit) power supply/measurement unit, "source" is a voltage source and current source, and "meter" can be used as a four-quadrant voltage source or current source to p...[Details]
Title: A 5-digit number, determine whether it is a palindrome. That is, 12321 is a palindrome, the ones digit is the same as the ten thousand digit, and the tens digit is the same as the thousand dig...[Details]
Toshiba and Fengmi Technology join LG Electronics, Sharp, TCL and Bang & Olufsen in embracing WiSA immersive audio standard July 2019, San Jose, California - WiSA® LLC, the wireless speaker and aud...[Details]
On October 15, Zhang Huamin, chief researcher of Dalian Institute of Chemical Physics, Chinese Academy of Sciences, and Ma Xiangkun, professor of Dalian Maritime University, visited the company and...[Details]