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In order to reflect the error of an instrument from a global perspective, the maximum reference (full-scale) error of the instrument is used, that is . In the formula, is the absolute error limit of ...[Details]
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Among the several working modes of the timer, except for 0 and the previous 1, the count value needs to be initialized, and then the counting starts. After the count overflows, the initial value of t...[Details]
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The shy rose blooms quietly!
The truth behind this horrific secret operation was revealed today!
It turns out that Apple is quietly making cars! A...[Details]
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Heat dissipation method - mainly physical method
1. Radiation Radiation refers to the body's heat dissipation by emitting infrared rays. When the skin temperature is higher than the ambient temp...[Details]
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In modern portable smart instruments or handheld devices, Chinese human-machine interface has become a de facto industry standard. Graphic dot-matrix LCDs that can display Chinese characters and sm...[Details]
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1. Purpose of writing When porting Bootstrap V1.9 to 9260 core board, NAND FLASH cannot read data correctly (ID can be read). Since I have not systematically studied NAND FLASH driver before,...[Details]
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Introduction Analog signals must be converted by A/D before they can be received by embedded controllers. However, after interference acts on analog signals, their A/D conversion results often devia...[Details]
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As the Chinese passenger car market is stratified into basic (represented by L0-L2, including partial lane change assistance) and advanced (represented by NOA, point-to-point navigation assistance)...[Details]
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Several methods for testing diodes (ordinary, voltage-stabilizing, bidirectional trigger diodes) (I) Testing of ordinary diodes (including detector diodes, rectifier diodes, damping diodes, switching...[Details]
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On October 30, Wingtech Technology disclosed its third quarter report for 2020, showing that despite the impact of the global epidemic, the company still maintained rapid and strong growth. The ann...[Details]
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;After pressing the start key (PT2.1), the program realizes LED flashing ;Purpose: Learning the input and output control of I/O port ;=============================================== ;Complete code dow...[Details]
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1. Correctly set the DDRx direction register before performing read and write operations on the I/O port.
2. The initial state of the I/O port after reset is all input working mode, the interna...[Details]
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With the rapid development of downstream markets such as new energy vehicles and energy storage at home and abroad, the demand for lithium batteries has expanded rapidly. Shenzhen Xingyuan Material...[Details]
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A set of CAD renderings of the 2019 new iPhones were exposed online, including iPhone XI, iPhone XI Max and iPhone XIR. It can be seen that its main appearance has not changed much from the c...[Details]
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Anyone who has owned a laptop computer will have noticed that when running on battery power, their portable device behaves differently than when running on AC mains power—the display dims, the proces...[Details]
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