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1. API Description The HAL library contains a total of 6 IO operation functions: 1. Read the level status of a pin: HAL_GPIO_ReadPin() 2. Write the level status of a pin: HAL_GPIO_WritePin() 3. ...[Details]
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This morning, Apple quietly closed the iOS/iPadOS 13.2.3 verification channel. In fact, the official version of iOS 13.3 was just pushed last week. Apple's move means that it is no longer pos...[Details]
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Laser vision technology began in the 1980s. As the technology matures, many additional functions have been developed, such as adaptive control based on joint geometry. At the same time, the technology...[Details]
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Use an insulation resistance meter and select an appropriate voltage level. Before testing, all equipment should be powered off and fully discharged. The equipment under test should be wiped clea...[Details]
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China Energy Storage Network News:
China has successfully deployed a "seabed experimental station" to realize long-term unmanned scientific research in the deep sea. The experimental statio...[Details]
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Many high-power radio stations above 100KW have a tall upright antenna, and a tuning room is built near it to adjust the antenna to match the transmitter. The electrical efficiency of radio transmi...[Details]
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This video uses animation to explain the concepts of oscilloscope triggering, storage depth, sampling rate, etc. Although this video is not perfect, for example, when it first talks about triggering,...[Details]
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The 2020 Radar Industry Trends Report: Manufacturers, Applications and Technology Trends released by Yole pointed out that by 2025, the automotive market is expected to grow at a CAGR of 11%, because...[Details]
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The latest survey by market research firm TrendForce DRAMeXchange shows that the output value of DRAM in the first quarter of 2020 was US$14.8 billion, a decrease of 4.6% from the previous quarter. ...[Details]
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Compared with parallel buses, serial buses have the advantages of simple structure, fewer pins and low cost. Common serial buses include USB, IEEE1394, I2C, etc. Among them, I2C bus is easy to use and...[Details]
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Introduction
Remote control devices are very common in daily life. Remote control devices for home appliances and toys make it easy for users to control devices. Remote control devices are desi...[Details]
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1. Introduction
P89LPC935 is a single-chip packaged microcontroller, suitable for many occasions requiring high integration and low cost, and can meet various performance requirements. P89LPC9...[Details]
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According to Business Insider, Morgan Stanley analyst Adam Jonas has always been optimistic about Tesla's development, but on Monday, US time, he lowered Tesla's target price from $260 to $240 and ma...[Details]
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Smoke density tester Scope of application: The touch screen computer dual-control building materials smoke density tester is developed according to the technical conditions specified in the national ...[Details]
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1. Immediate addressing
Immediate addressing is a special addressing mode. The operand itself is given in the instruction. The operand is obtained only when the instruction is fetched. This op...[Details]