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On the evening of April 16, Wanye Enterprise released its 2020 annual report. The company achieved revenue of 931 million yuan and a net profit attributable to shareholders of the listed company of 3...[Details]
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According to Jiwei.com, anyone who is familiar with the mobile phone optical lens industry should know that Largan has been the industry leader for more than 10 years and has not been surpassed so fa...[Details]
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1. Basic configuration (1) Power: Set PCSSP0/1 in the PCONP register; (2) Clock: Select PLCK_SEL0 in the PCLK_SSP1 register; select PCLK_SEL1 in the PCLK_SSP0 register. The clock must be divided ...[Details]
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summary This article introduces a 5W Y-capacitor-free charger solution designed using TI control chip UCC28720, and introduces a transformer structure design that can still pass EMI testing w...[Details]
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start.S file: .globl _start _start: // 0 address b reset // When reset, the cpu jumps to address 0 ldr pc, =undefined_instruction // When the cpu encounters an unrecognizable instructio...[Details]
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1 Introduction
The use of complex programmable logic devices (CPLDs) can improve system integration, reduce noise, enhance system reliability and reduce costs. At the same time, it not only has ele...[Details]
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This article will introduce the R5 coprocessor development solution test based on the Mir Electronics MYD-YD9360 commercial display board.
Reference
Before development,...[Details]
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The speed at which foldable screen mobile phones become popular seems to have exceeded some people's imagination. A research report released by the screen organization DSCC pointed out that in the ...[Details]
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1. Download Pickit 3 Programmer tool 2. Change the Pikit 3 mode from MPlAB to Pickit 3 Programmer mode See the picture below to see that the modification has been successful and the pickit 3 ...[Details]
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The diode test shown in the figure is simple and easy to perform, and the test is convenient and fast.
In the figure, T is a 220/3V, 2W transformer; VD1 and VD2 are 2CP10 type rectifier diodes, LE...[Details]
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On July 15, Magetech said in an investor survey that the subsequent expansion is gradually being implemented in accordance with the production plan of the fundraising project. After the fundraising p...[Details]
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In order to measure the time r and to ensure that the accuracy of the measured angle φ is not affected by the grid frequency (or period T), the interface circuit shown in the figure is used. The UCA...[Details]
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EETS4K Module Application Notes (1) 9S12 series microcontrollers usually contain 4KB of EEPROM. Freescale calls the EEPROM module EETS4K. In fact, the so-called EEPROM here is actually FLASH, but Fre...[Details]
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In recent years, due to the rapid development of LED technology, the main performance indicators have been greatly improved. At present, the luminous exceeds 200lm/W, and the industrialization le...[Details]
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Modern stepper motor drive systems usually use integrated circuit power chips to drive the motor, and sometimes some simple control functions such as current control may be integrated. Some more ad...[Details]