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1. Selection of pointer meter and digital meter:
1. The reading accuracy of the pointer meter is poor, but the process of the pointer swinging is more intuitive, and the swing speed and amplitude...[Details]
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The three major A-share indices closed down today, with the Shanghai Composite Index falling by nearly 2%, the Shenzhen Component Index falling by more than 2%, and the ChiNext Index falling by 3.52%...[Details]
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The company is working on an upgraded version of Astro for home use, according to a May 9 media report citing an internal company document. This would be a new phase for Astro and a case of Amazon ...[Details]
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PIC microcontrollers have computing functions and memory like a CPU and are controlled by software. However, the processing power is average and the memory capacity is also limited, depending on the ...[Details]
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An ammeter is connected in series to the circuit being measured to measure its current value. According to the properties of the measured current, it can be divided into DC ammeter, AC ammeter and AC...[Details]
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On March 8, Allwinner Technology issued an announcement on the investment and establishment of a wholly-owned subsidiary. The company's wholly-owned subsidiary, Allwinner (Hong Kong) Co., Ltd. (herei...[Details]
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The selection using the three discrete circuits shown in the figure above is simple and cheap, but there is also a disadvantage. When the battery voltage slowly drops to the vicinity of the detecti...[Details]
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With the increasing updating and intelligent development of modern electronic products, human-machine interaction interface (HMI) has received more and more attention and application, enriching people...[Details]
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As the trend of automation, sharing and interconnection in the automotive industry becomes increasingly clear, the entire intelligent transportation system is undergoing rapid changes driven by cutti...[Details]
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1. The content described in this article is to read and write CF cards through 8051 microcontrollers. 2. The operation mode of CF cards is similar to the operation mode of computer hard disks. There ...[Details]
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1. Function and purpose There are two pins BOOT0 and BOOT1 on each STM32 chip. The level status of these two pins when the chip is reset determines which area the program starts from after th...[Details]
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introduction As today’s electronic designs continue to grow in complexity, managing power consumption and optimizing overall efficiency becomes more important. From industrial and telecom applicatio...[Details]
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Mentor Graphics recently released a research report titled "Designing a Complex Automotive Cooling System," which describes how a solution recently launched by Mentor Electronics effectively comb...[Details]
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The world's first 5G car is coming! On May 13, Human Horizons HiPhi Auto announced that it will jointly launch the world's first 5G in-vehicle mobile network service with China Telecom, officially...[Details]
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1. Experience:
First, let’s look at an example: Figure 1-1:
The process of compiling and burning:
Screenshot of main.c:
You can see that the first light is turned on...[Details]
PCB Design
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