EQRA22G1H-22.223MTR

"Originally, there are many people who can design very good chips , but the market does not give domestic chips the opportunity to iterate, and domestic companies cannot give engine...[Details]

Using Systick timer to achieve delay 1. SysTick timer characteristics The SysTick timer is a 24-bit down counter, that is, when vlue is decremented to 0, an interrupt is triggered and the load va...[Details]

　　Recently, the US embargo on ZTE has attracted much attention. Let's take a look at the relevant content with the automotive electronics editor. 　　On April 16, local time, the U.S. Department of Co...[Details]

The photovoltaic inverter is the core equipment of the photovoltaic system. Its main function is to convert the direct current generated by the photovoltaic modules into alternating current that meets...[Details]

Leading Chinese PV inverter manufacturer Huawei said it is supplying string inverters to a 75MW fully digital utility-scale solar project in Brazil, which it claims is the first of its kind in the cou...[Details]

The day before yesterday, another mainland technology company submitted a prospectus to the Hong Kong Stock Exchange. The company is called "Jia Nan Creative (hereinafter referred to as 'Jia Nan')"...[Details]

If you do not use an external crystal on the STM32, the connection method of OSC_IN and OSC_OUT If you use the internal RC oscillator instead of an external crystal, please follow the following metho...[Details]

/*-----------------------------------------------   Name: IIC protocol PCF8591 AD/DA conversion   Content: Use DA input, digital tube display output digital quantity, LED display analog voltage size ...[Details]

One addend is in the on-chip RAM 40H, 41H, 42H units, the other addend is in the on-chip RAM 43H, 44H, 45H, and the sum is stored in the 50H, 51H, 52H units, with the carry bit stored in 00H. Please ...[Details]

As an important branch of the power electronics industry, the technological progress of photovoltaic inverters is highly dependent on the development of electronic components and control technology...[Details]

What else can we do before the arrival of 5G , which will be officially commercialized in 2020 ? Let's follow the network communication editor to learn about the relevant content. I...[Details]

MSP430 MCU 1602 LCD display program #include "msp430x22x4.h"  #define uint unsigned int  #define keyin (P2IN&0x0f) //Hardware connection P4 data port P3.7---E P3.6---RW P3.5----RS  //P2 lower 4 bit...[Details]

MSP430 MCU controls stepper motor with display program #include "msp430x22x4.h"  #define uchar unsigned char  #define uint unsigned int  #define comm 0  #define dat 1 #define sclk_1 P4OUT|=0x01 //sc...[Details]

The chip is EM78P153  ; P64, P65 are connected to the crystal oscillator, the oscillation mode is 4MHz crystal oscillator  ; the watchdog is off, the instruction cycle is 2 CLOCK, and P63 is the rese...[Details]

在一个沒有規则性的内容转换中，查表程序是相当有用的，用户可以使用查表程序很快速的得到相关内容的转换。  例：设计一个程序，將如下图所示中的PORT5读到的一个数值，将输入内容做转换，然后输出到PORT6的7段显示器上。       上图中开关关闭，I/O引脚可以得到一个低电位，若是开关开启则I/O引脚可以得到一个高电位。  图 5.2  数码管 八段说明  7段显示器的接线图如上，我們要編一...[Details]