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I used stm32f4 discovery frequently some time ago, but because I didn't know much about NVIC and EXTI, I always avoided using interrupts during use. I have nothing to do these two days and decided to...[Details]
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When it comes to car safety, many people will think of crash tests. A few months ago, a well-known German national brand model received a P rating in the China Insurance Association crash test. This ...[Details]
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1. Background
When installing and repairing air conditioners, clamp meters are often used to measure current, which is convenient and quick to use. When using a clamp meter to measure current,...[Details]
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0. Implement uwTick function similar to STM32 through TIM4 An interrupt is generated through TIM4 timing, and uwTick++ is executed every millisecond. 1. Set TIM4 frequency division and automatic re...[Details]
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Jaguar Land Rover has developed a new steering wheel that is designed to allow the driver to keep their eyes on the road and still get instructions and information from the navigation system. The ste...[Details]
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What skills do you need to master? You need to understand and have used several common microcontrollers. You need to be familiar with common hardware interfaces such as UART, SPI, and I...[Details]
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The porting of uCOS-II on ARM is very common, but the porting under KEIL MDK is not very common. Based on the porting examples under ARM and my own recent experience of using KEIL MDK, I will record ...[Details]
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First of all, we need to determine whether it is grid-connected or off-grid. The configuration of the inverter should be determined based on the technical indicators of the entire photovoltaic powe...[Details]
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The noise figure mainly measures the signal-to-noise ratio (SNR) performance of the component, which is the basis of most digital communication parameters such as bit error rate (BER) and carrier/nois...[Details]
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With the rapid development of science and technology, mankind is entering a new era driven by AI. In this era, data is everywhere, algorithms are becoming more sophisticated, and AI is reshaping th...[Details]
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The Cirrus CS485xx DSP family provides high-performance post-processing and mixing of digital audio. Dual clock domains provided on the PCM input allow mixing of audio streams with different sampli...[Details]
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This article analyzes the chip selection for audio and video products, measuring it from the chip's instruction set, main frequency, cache, DMA, etc., to provide you with some help when choosing a ...[Details]
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New policy released: Central government directly subsidizes new energy vehicles
After a half-year policy silence, the subsidy policy for new energy vehicles was officially released. In 2013, th...[Details]
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Recently, the Shaanxi Ubiquitous Power Internet of Things Engineering Research Center was approved by the Shaanxi Provincial Development and Reform Commission and established in the State Grid Xi'a...[Details]
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LCD continues to occupy a large share in the display market and is currently the mainstream of flat panel display research. The concept of flat photoluminescent-liquid crystal display (PL-LCD) was ...[Details]
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