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The author analyzes and solves the problem that TIM3 cannot be used to output 2-way PWM waves when using STM32F103C8T6. PS. PB4 (partial remapping, TIM3_CH1), PB5 (partial remapping, TIM3_CH2) STM...[Details]
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Fault 1: No response after power on, unable to boot Test results: After testing, the instrument CPU board is damaged, causing it to fail to boot; after booting, the self-test reports an error, the ou...[Details]
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1 Introduction The continuous improvement of the technical level of vehicle electronic equipment has become one of the important signs of the development of modern automobiles, and vehicle navigation...[Details]
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1. Matrix keyboard interface technology and programming
1. The structure and working principle of the matrix keyboard:
When there are many keys in the keyboard, in order to reduce the occupation of...[Details]
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At 00:39 on April 1, with the normal closure of the 500 kV Jiangling-Echeng DC bipolar system, State Grid Hunan Power started the 15-day annual maintenance of the cross-provincial Jiangcheng DC lin...[Details]
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0 Introduction In handheld devices, liquid crystal displays are increasingly being used. Since LCDs cannot emit light by themselves, they require a strong light source to provide backlight for them i...[Details]
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In high-frequency PCB boards, one of the most important types of interference is power supply noise . The author systematically analyzes the characteristics and causes of power supply noise on...[Details]
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The Jiangsu Provincial Administration for Market Regulation issued an announcement on the release of Jiangsu Provincial Local Standards. The announcement released a total of 42 Jiangsu provincial l...[Details]
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Recently, many careful citizens have noticed that a "green parking space" has appeared on the side of Yeqingdou Road in Gongshu District, Hangzhou, with a "20-minute limit" sign sprayed on it. These ...[Details]
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At present, the tide of new infrastructure construction is sweeping across the country, and intelligence, greening and low carbonization have become the mainstream direction of social development. ...[Details]
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Heat generation is a common phenomenon in stepper motors, but what level of heat generation is considered normal, and how to minimize the heat generation of stepper motors? The following is a simpl...[Details]
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According to foreign media reports, South Korean Internet giant Naver and Japan's SoftBank have recently reached a cooperation to use Naver's ALIKE solution to create high-definition maps of Japanese...[Details]
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In electronic circuits, especially various Hi-Fi related circuits including HFI FAF, the frequency of use of capacitors is roughly second only to resistors. Although resistors are used in large nu...[Details]
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On February 29, news broke that "Hesai Technology's lidar did not handle leap year timestamps, resulting in a firmware bug. As a result, all cars using Hesai's lidar have no autonomous driving functi...[Details]
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As we all know, bass is the basis of music signals, which greatly affects the listening atmosphere. Without bass signals, the sound will appear light and unreal. In regular home theater playback, subw...[Details]