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LED light engine refers to the overall combination of LED package (assembly) or LED array, LED driver, and other brightness, thermal, mechanical and electrical components. The device is directly conn...[Details]
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TSMC held its 2021 annual technology seminar online today and announced future new process progress, with new news coming for 6nm, 5nm, 4nm, 3nm, and 2nm. 2nm is currently the commanding heights t...[Details]
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Second quarter net revenue of $3.23 billion; gross margin of 40.1%; operating margin of 11.6%; net profit of $353 million
Net revenue in the first half of the year was US$6.7 ...[Details]
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I'm studying ARM Cortex-M3 recently, and I found a book called "An Definitive Guide to The ARM Cortex-M3" which is considered a classic. This series of study notes is actually the reading notes I made...[Details]
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Abstract: According to the requirements of sensorless vector control and digital power factor correction control of dual permanent magnet synchronous motors in outdoor units, sampling strategies fo...[Details]
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LED is a semiconductor device with sensitive characteristics and negative temperature characteristics. Therefore, it needs to be stabilized and protected during the application process, which gave ...[Details]
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What is a switching power supply?
According to the working state of the adjustment tube, we often
divide
the regulated power supply
into two categories: linear regulated power su...[Details]
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In the process of burning coal in thermal power plants, a large amount of coal ash will be generated. These coal ashes are usually collected in coal ash bins and coal ash hoppers. In order to preve...[Details]
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The GSM (Global System for Mobile communication) system is a relatively mature, complete and widely used system in the current mobile communication system based on time division multiple access tec...[Details]
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With the continuous upgrading of industrial logistics automation and intelligent manufacturing, industrial logistics equipment is also constantly innovating, releasing more vitality and productivit...[Details]
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OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
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When doing technical support, I often receive calls from customers like this, "When using CAN communication on the development board, the VPB clock is different from the routine on the CD. How to set ...[Details]
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During the 2011 London Design Festival, a table lamp powered by algae appeared. This lamp consists of a table that can grow plants and an LED table lamp. It was jointly developed by designers and s...[Details]
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1: Configure the port first: GPIO_Init(LEDS_PORT, ( TX ), GPIO_MODE_OUT_PP_LOW_FAST); GPIO_Init(LEDS_PORT, ( RX ) , GPIO_MODE_IN_PU_NO_IT ); Note: At the beginning, after the program was writte...[Details]
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Analysis process:
Program entry
Phase 1 Program Analysis
Second stage program analysis
2440 Development Board:
1.uboot entry:
To see the entry of...[Details]