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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]
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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]
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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]
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At present, in the world,
the construction of
smart cities
is in the process of gradually landing from concept, and technology giants and investment giants are important participants in this...[Details]
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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]
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With the development of information technology, intelligence, informatization and networking have become the development trend of modern industrial control. Since the 1980s, the rapid development...[Details]
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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]
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According to the description provided in the official manual of ST, it is not difficult to see that the ADC analog watchdog is actually that the user can set an upper and lower limit of the AD value...[Details]
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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]
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In mid-to-late 2016, a girl from Hubei came to Beijing alone, full of curiosity about
cloud computing
. The girl left the deepest impression on me was her lovely smile. She told me that if ...[Details]
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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]
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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]
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Try to design a subroutine, whose function is to rearrange the 6 single-byte positive integers in the internal RAM pointed to by (R0) in ascending order. ;========================================== ...[Details]
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Recently, the National Development and Reform Commission announced that all foreign equity restrictions in the automobile industry will be lifted in the next five years. At the same time, as subsid...[Details]
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I read the description of I/O ports in the M16 manual, which says that you can use the internal pull-up resistor by setting DDXn=0, PORTn=1, PUD=0. Since this can be used, when using the key circuit,...[Details]