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As shown in the figure below, STM32F103F103 is directly connected to the four-wire resistive touch screen through its own I/O port to realize the touch screen controller function. Among them, PA8, ...[Details]
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New data shows that Apple is prioritizing iPhone 13 production due to the global chip shortage, and iPad buyers have to wait up to nine weeks for delivery. As Apple CEO Tim Cook has said, while App...[Details]
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/************************************************************************ Purpose: To build AVR hardware extraction library, add various patches, and facilitate system program transplantation Ta...[Details]
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Self-excited oscillator circuit
Figure 1 Self-excited oscillator circuit
The figure shows the circuit of the self-excited oscillator. The experiment found that the positive feedback coefficien...[Details]
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In today's electric vehicle market, battery technology is a key factor in determining vehicle performance and endurance. With the continuous advancement of technology, the battery technology of...[Details]
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Guoxuan High-tech's front-end lithium mine resource layout has added a new member. On May 20, Yichun Guoxuan Mining Co., Ltd., a subsidiary of Guoxuan High-tech, successfully won the prospecting ri...[Details]
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Since the NandFlash controllers of s3c2410 and s3c2440 are different, the s3c2440_nand.c file cannot be directly applied and needs to be modified appropriately. The main modification is the related...[Details]
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The process of converting DC power into AC power is called inversion. The inverter charging circuit converts DC voltage into AC voltage through an inverter, and then charges the energy storage device...[Details]
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Originally, plain old telephone service (POTS) was designed to carry voice-only data between the customer premises and the central office (CO). However, broadband modems such as Asymmetric Digital...[Details]
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For ARM, the heap grows upwards and the stack grows downwards.
Local variables occupy stack space.
Memory dynamically allocated in the program, such as malloc() and new functions, occupy hea...[Details]
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At the I/O 2019 Developer Conference, Google officially announced the new Android Q gesture navigation, and believes that it can greatly improve the user experience of Android smartphones. Based on t...[Details]
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Sina Digital News reported on the afternoon of September 26 that Samsung Home Appliances and clothing brand Ordos 1980 have cooperated to experience Samsung AirDresser series clothing care machine. U...[Details]
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With the advent of the information age, embedded systems have become a new technological development direction following IT network technology. Embedded systems are widely used in various fields du...[Details]
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HDYZ-E zinc oxide lightning arrester live tester voltage collector operation instructions Turn on the power switch of the voltage collector. After the voltage collector is initialized, it enters t...[Details]
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Choosing the best operating frequency for your power supply is a complex trade-off involving size, efficiency, and cost. Generally speaking, low-frequency designs tend to be the most efficient, but...[Details]