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At present, the domestic shared power bank market has basically formed an industry structure of "three electrics and one beast". According to the "2019 China Shared Power Bank Industry Development An...[Details]
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Reset sequence:
After leaving the reset state, the first thing CM3 does is to read the values of the following two 32-bit integers:
1. Get the initial value of MSP from address 0x0000 0000. (That ...[Details]
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The human ear can only sense sound waves of about 20,000 Hz at most. Sound waves with higher frequencies are called ultrasound. Ultrasound is widely used in many technologies. Ultrasound has two ...[Details]
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Power supply designers often face conflicting requirements. On the one hand, they need to reduce size and cost, and on the other hand, they need to provide more functions and increase output power. D...[Details]
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In November 2023, the Office of the National High-tech Enterprise Certification Management Leading Group issued the "Announcement on the Registration of the First Batch of High-tech Enterprises Cer...[Details]
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Introduction When downloading programs, traditional MCU control systems usually remove the chip and burn it with a programmer, or use ISP to perform online programming. With the continuous changes ...[Details]
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01 Prerequisite knowledge 02 Principle (single axis as an example) The first thing we need to know is that when the target axis (the X-axis in this case) is parallel to the Earth's surface, the sen...[Details]
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The medical protective mask respiratory resistance detector is used to measure the inhalation and exhalation resistance of the mask under specified conditions. It is suitable for mask manufacturers a...[Details]
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At present, energy shortage has become an important factor restricting social and economic development. How to achieve efficient use of energy is an important issue we face. As a new type of gree...[Details]
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There is no industry standard for measuring the ripple and noise of DC/DC power supplies. The test environment and test standards of different manufacturers are not the same, which confuses many peop...[Details]
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IIC is a commonly used protocol. Considering the needs of users, ZDS2022 oscilloscope resolutely adds a completely open IIC trigger and decoding function! How to operate it? Press the key to set t...[Details]
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include"8515def.inc" .dseg keyone:.byte1 .cseg rjmpreset .org0x10 RESET: ldir16,low(RAMEND); the top of ram ldir17,high(RAMEND) outspl,r16; Set the stack pointer to the top of ram outsph,r17 ldir...[Details]
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In the control system of MCS-51 microcontroller, its four parallel 8-bit input and output ports P0 to P3 are often used by us. In parallel port programming learning, "marquee" is a typical example ...[Details]
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There are many empirical formulas, relationship tables and software about PCB line width and current on the Internet. This article sorts out the ones on the Internet, aiming to provide convenience fo...[Details]
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Introduction
Due to the different driving principles, new energy vehicles have fundamentally promoted the upgrade and transformation of the vehicle's thermal management system. Ligong Technolo...[Details]