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Abstract: This paper introduces a method of controlling the LED digital tube display by LPC2103 based on SPI bus technology. The 8-bit 74HC595 serial-to-parallel conversion chip is used to drive the L...[Details]
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1 Introduction
The traditional instrument for measuring blood pressure is the mechanical mercury sphygmomanometer. Electronic sphygmomanometers have only appeared on the market in recent y...[Details]
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1. Introduction
High-power LED packaging has been a research hotspot in recent years due to its complex structure and process, and directly affects the performance and life of LEDs. In par...[Details]
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In the annual Double 11 battle that just ended, Xiaomi's mobile phone brand, especially its Redmi brand, has been in the limelight for a while with its impressive performance. Both the newly r...[Details]
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1 Introduction
Voltage-stabilized power supply modules are widely used in circuits. Currently popular ones include LM78 and ASM117 series. Most of them have only 3 pins, simple structure and are ea...[Details]
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1 Introduction
Wave observation is an important part of ocean survey. Using a wave buoy equipped with an acceleration wave sensor is an effective way to measure waves. When the buoy equipped wi...[Details]
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Today, let's talk about how to receive indefinite length byte data on the STM32 microcontroller. Since the STM32 microcontroller has an IDLE interrupt, this interrupt can be used to receive indefinit...[Details]
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I skipped a day of classes today to learn about the memory manager of S3C2440, which I didn't learn when I was learning about stm32. The enhanced large-capacity chip of stm32 has FSMC (flexible stati...[Details]
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After Sony officially announced its acquisition of developer Bungie for $3.6 billion early this morning, "Sony acquires Halo developer" ranked 29th on Weibo's hot search list and third on Twitt...[Details]
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Some people compare the CPU to the "heart" of the computer. In fact, if we really compare it, the CPU is more like the brain of the computer, and the heart that really powers the computer should be...[Details]
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1. Introduction
At present, most lighting equipment still uses traditional energy for lighting. Making full use of solar energy as the energy supply for lighting equipment is of great si...[Details]
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It is a 51 single-chip microcomputer, which uses a timer/counter to generate a 2-second timing. Every time 2 seconds is up, the indicator light will flash. The flashing frequency of the indicator lig...[Details]
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When using LCD on PIC board, J401 needs to be removed. LCD 4 pin (RS data/command selection terminal H/L)-----RB2 LCD 5 pin (R/W read/write selection terminal H/L)---------RB1 LCD 6 pin (E enables ...[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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On October 18, Vanadium Titanium Co., Ltd. released its third quarter report. In the third quarter of 2024, the company's revenue was 3.316 billion yuan, a year-on-year decrease of 6.04%, and its net ...[Details]
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