GSM/WCDMA/TDSCDMA/LTE/5G NR frame structure,LTE：36_211_TDD_DL_FrameStructure.png5G: NR_Numerology_FrameStructure_u_0__NormalCP_38_211_01.png
The meaning and physical relationship of access channels, b...
[font=微软雅黑][size=5] I modified the OLED and DHT11 routines of other pyb masters, which is really helpful for beginners like me who don’t have a deep foundation in MicroPython. The code is as follows: ...
I have three waveform inputs here, triangle wave, sine wave, and rectangular wave, and an external control voltage 0-10V
What kind of circuit or IC can select these three waveforms and output them sep...
Texas Instruments launches new Arm® Cortex®-M0+ MCU product family to make embedded systems more affordable
New 32-bit general-purpose MCU family for nearly every application
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Regarding the precise delay of the microcontroller C language, many of the delay values on the Internet are given approximately but not accurately, and thus fail to meet the high precision requir...[Details]
South Korea’s SK Group plans to invest 18.5 trillion won (US$16.5 billion) over the next five years to build a domestic hydrogen energy industry, Nikkei Asian Review reported. As part of the investme...[Details]
The 12th China Northern International Bicycle and Electric Vehicle Exhibition (hereinafter referred to as the Northern Exhibition) opened simultaneously on March 23, 2012 at the Meijian...[Details]
To understand the PC pointer, you must first understand the LR pointer. Link register LR (r14): used to save and restore the contents of the PC register, it has two special functions. (1) Save th...[Details]
Use the IO port query method to realize the key control of the LED's light on and off #include "s3c24xx.h" #define LED_ON 0 #define LED_OFF 1 #define KEY1_POS (0) //The position of key 1 on t...[Details]
0 Introduction
With the popularity of consumer products such as PDAs, mobile phones, digital cameras, printers, etc., high-speed data transmission technology used for these devices and computer...[Details]
Abstract: In order to realize the wireless transmission of terminal call data, the design uses STC89C52RC single-chip microcomputer as the control chip and low-power chip nRF905 as the wireless tra...[Details]
Recently, the term "Metaverse" has become popular on the Internet and in the electronic information circle, especially after Facebook stopped using Face and changed its name to Meta, which has form...[Details]
At present, the development path of new energy vehicles can be summarized into three types: hybrid electric vehicle (HEV), plug-in hybrid electric vehicle (PHEV), pure electric vehicle (BEV) and fuel...[Details]
According to foreign media reports, Austrian high-tech company AVI Systems has launched the steering assistance system Careye Safety Angle, which can use AI to detect pedestrians, cyclists and object...[Details]
The following program will display "Velcome" and "www.ycavr.cn" on the LCD1602 and move left and right.
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* Character LCD1602 application example *
* Experimental e...[Details]
Rotating LED - words floating in the air 1. Effect: 2. Overall structure: III. Production method: 1. Modification of the motor The power supply of the circuit and the positioning of the LED ...[Details]
CNC (Computer Numerical Control) system is an automatic control system widely used in the field of mechanical processing. It controls the movement and operation of machine tools through computer pr...[Details]
RF/Wirelessly
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