XE643S-L21-90.000MHZ

The global PV inverter market will shrink from $6.3 billion in 2017 to $3.7 billion in 2022 due to falling prices, according to GlobalData. Global PV Inverter Market Value to Shrink to $3.7 Bil...[Details]

1. The first project We are going to create the first project, which is mainly for project analysis, so that we can understand how CubeMX works and how to trace the code logic. Okay, no more nonsense...[Details]

LAN8720 configuration:  IP: 192.168.192.30  Gateway: 192.168.192.1 A high frequency of ARP packets is detected The content of the packet asks for the mac address of 192.168.192.1, and asks the resp...[Details]

Since the first draft of the 5G NR standard was officially launched at the end of 2017 , the 5G commercialization process has taken a substantial step forward. From that moment on, mo...[Details]

On May 16, in response to the public opinion storm caused by Lenovo's " 5G voting" incident, Lenovo Holdings Chairman and Lenovo Group Founder Liu Chuanzhi, Lenovo Gr...[Details]

Household photovoltaic power stations mainly utilize idle resources on existing household buildings, such as roofs, wall facades, balconies, courtyards, etc., to install and use distributed photovo...[Details]

    //Observe the difference between feeding the dog and not feeding the dog, and use the LED indicator of the PB port for status indication.     //Switch the LED indicator enable switch of the PB po...[Details]

The independent watchdog of STM32 is driven by a dedicated internal 40Khz low-speed clock, that is, it is still effective even if the main clock fails. Here we need to note that the clock of the inde...[Details]

According to MEMS Consulting, single-chip radar system-on-chip (SoC) is becoming one of the most popular new sensors . Its widespread adoption in automobiles has greatly increased sales, thereby pr...[Details]

STM32F103 has dual DAC channels, using DMA to achieve 2 waveform outputs #include "stm32f10x.h"      //DAC1,2 initialization   void dac_init(void)   {       RCC- APB2ENR |= RCC_APB2ENR_IOPAEN; //Tu...[Details]

1. A/D (Analog-to-Digital) and D/A (Digital-to-Analog) Conversion 1. Pin AOUT: Analog output Vref: reference voltage AGND: Analog ground EXT: Ground OSC: Floating SCL，SDA：IIC AIN0, AIN1, AIN2: anal...[Details]

#include reg52.h      #include intrins.h          //unsigned char segout ={0,1,2,3,4,5,6,7}; //8 columns   unsigned char segout ={0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80}; //8 columns   unsigned char...[Details]

Use common anode digital tube and independent keyboard to connect P1 and P2 ports of single chip to realize answering machine The procedure is as follows: #include reg52.h void delay(unsigned char n)...[Details]

Assume that both the augend NA and the addend NB are three-byte compressed BCD codes, which are stored in the internal RAM units 20H~22H and 30H~32H, respectively, with the low digit first and the hi...[Details]

Assume that the MCS-51 microcontroller uses a 12MHz crystal oscillator, and wants to use a timer to generate a pulse with a duty cycle of about 30% and a period of 60ms at port P1.0. ;==============...[Details]