803-00206C15-85SN

For 80,000 ZTE (000063.SZ) employees and more Chinese ICT (information and communication technology) industry practitioners, the news from across the ocean on the evening of April 16 kept t...[Details]

1. Principle 1. Infrared emission protocol There are many infrared communication protocols. This experiment uses the NEC protocol. This protocol uses PWM modulation and uses pulse width to represen...[Details]

In the actual project development process, we often need to get the running time of a section of code. The usual method is to use an oscilloscope to measure it. This blog post will use SysTick to acc...[Details]

In the previous article, I wrote a simple GPIO running light test, which looked a bit monotonous. I was used to serial port debugging. If there was no serial port on the board, I had to find another ...[Details]

Today, under the guidance of a low-level expert, I learned how to configure the PWM module! Woof! First open the file configured last time, as follows:  Then, we need to use TIM1 to set PWM:  Then,...[Details]

UART has three operation modes: polling mode, interrupt mode and DMA mode. Chip: STM32F103C8T6 Application Pin: Output: PA0, PA1 USART1 Configuration interface Add interrupt configuration Add DMA...[Details]

In 1952, Bell Labs built a 6-foot-tall automatic number recognition machine called "Audrey", which could recognize the pronunciation of the numbers 0 to 9 with an accuracy of more than 90%. And its...[Details]

Timing and protocol are two key points in digital system debugging, and they are also where logic analyzers can play their most valuable role. How can we use a logic analyzer to quickly complete wiri...[Details]

Superconductors have physical properties such as zero resistance effect, Meissner effect and Josephson effect, which make them have broad application prospects and unparalleled advantages in many b...[Details]

Different from 51, AVR and other single-chip microcomputers, the clock signal sources of msp430 include LFXT1, XT2 and DCO. 1. LFXT1: It can connect high-speed and low-speed crystal oscillators. In l...[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]

Site conditions: 1. AD acquisition, DMA transmission; AD is set to single-channel continuous mode, DMA is set to single-shot mode. The upper threshold of the AD analog watchdog setting is less than t...[Details]

/* Unfortunately, it cannot generate a standard 38kHz frequency square wave, there is a little error*/  #include reg51.h #define uchar unsigned char #define uint unsigned int  sbit Waveout=P1^0; //P...[Details]

ORG 0000H LJMP MAIN ORG 0003H LJMP TOINT ORG 001BH LJMP TOINT1 ORG 0030HMAIN: MOV SP,#60H      SETB IT0      SETB EX0      SETB EA      SJMP $TOINT:MOV TMOD,#10H      MOV TH1,#0FEH      MOV TL1...[Details]

/*-----------------------------------------------     Name: DS18b20 temperature detection LCD display     Forum: www.doflye.net     Written by: shifang     Date: 2009.5     Modification: None     con...[Details]