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#include
#include macros.h
#define fosc 1000000 //Crystal oscillator 1MHZ
#define baud 4800 //Baud rate
#define led1 (1 4)
#define led2 (1 5)
#define led3 (1 2)
#define led4 (1 3)
#define ...[Details]
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1. "IAR AVR unknown or ambiguous symbol.main" appears
project== options== linker, format is set to debug.
You must enter DEBUG mode in IAR to debug. If you don't connect the development too...[Details]
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In a flip phone, if the audio amplifier and RF receiver are both on the body, the RF receiver will affect the EMI of the audio amplifier. If the audio amplifier is moved to the flip cover, EMI can b...[Details]
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1.4.1 LCD driver basics The Linux-2.6.32.2 kernel already supports the S3C2440 LCD controller driver, but here we first introduce some basic knowledge about the 2440 LCD controller and driver-relat...[Details]
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introduction
Phase-locked loops (PLL) are a frequency and phase synchronization technology that uses feedback control principles to synchronize the clock output by the circuit with its externa...[Details]
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In September this year, experts from the National New Energy Vehicle Innovation Project revealed version 2.0 of the "Energy-Saving and New Energy Vehicle Technology Roadmap" at a meeting, revising th...[Details]
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Many IT buyers find it difficult to choose projectors for medium and large conference rooms and other business spaces, as they have extremely high requirements for image quality and stability. Howeve...[Details]
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The electric car boom has spurred the development of different power battery technologies. In the current situation where liquid electrolytes are the mainstream of power battery supply, there is anot...[Details]
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When taking photos, many people like to raise their index and middle fingers to make a scissors hand gesture. This photo pose has long been deeply rooted in people's minds, so much so that man...[Details]
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Shanghai, China, October 29, 2021 - ViewSonic announced the launch of a new high-definition projector TB4836. TB4836 has a 1080p high-resolution setting and 3500 lumens brightness to create a clear a...[Details]
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With the advancement of technology, the current signal cutting time of high-speed integrated circuits has reached hundreds of ps, and the clock frequency can also reach hundreds of MHz. Such high...[Details]
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Pure Storage shares latest insights on China business development trends and outlook for 2023
December 21, 2022, China - Pure Storage® (NYSE: PSTG), a global IT pioneer that provides...[Details]
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The transient current detector circuit principle uses TL084 junction field effect tube input operational amplifier. Each operational amplifier uses high voltage junction field effect tube and bipolar ...[Details]
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BMW has confirmed that the BMW i Hydrogen NEXT model equipped with a hydrogen fuel cell drive system will be launched in 2022. For BMW, this is just a small step in its development stra...[Details]
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Soft starter and auto-coupling step-down starting are two different motor starting methods. They have certain differences in starting principle, structure, performance, application, etc.
...[Details]