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No one would deny that 2011 is a difficult year for photovoltaic manufacturers. Michael Barker of Solarbuzz made several guesses about the photovoltaic industry in the coming year. It can be seen...[Details]
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In the process of learning STM32, we often encounter enabling the clock. For example, in the uart_init() function, we need to enable the serial port: RCC- APB2ENR|=1 4; //Enable the clock of serial...[Details]
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System version: Ubuntu18.04-64 Compiler version: gcc version 7.4.0 (Ubuntu/Linaro 7.4.0-1ubuntu1~18.04.1) uboot version: 2018.07-linux4sam_6.0 Board model: at91sama5d3x-xplained MCU model: sa...[Details]
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Most analog integrated circuits (comparators, op amps, instrumentation amplifiers, references, filters, etc.) are designed to process voltage signals. When it comes to devices that process current sig...[Details]
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OPPO will release the Reno5 series in China next month. The series reportedly includes three phones such as Reno5, Reno5 Pro, and Reno5 Pro +. The tipster claims that the global launch of the Reno5 s...[Details]
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arm32 arm64 u-boot load linux command bootm bootm uImage_addr // No device tree, bootm 0x30007FC0 bootm uImage_addr initrd_addr dtb_addr // has device tree --- nand read.jffs2 0x30007FC0 k...[Details]
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Power chip selection When it comes to power supply, the first thing to talk about is the choice of two power supply chips, DC-DC and LDO. The advantages and disadvantages of the two power supplie...[Details]
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Batteries are the typical power source for portable system applications, and portable systems based on microcontrollers are not uncommon today. Various microcontrollers operate from low supply volta...[Details]
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In recent years, Huawei has taken advantage of its huge advantages in 5G communications to actively develop V2X vehicle-to-vehicle communication technology, using the high speed and low latency chara...[Details]
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//PS2 keyboard test program, you can wrap lines, press and hold shift and then enter
//Can output uppercase, press CAPS to output uppercase, press again to ou...[Details]
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Generally, when people test the quality of capacitors, they only check whether there is an impact when the test rod of the multimeter touches the two poles of the capacitor. If there is an impact, i...[Details]
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In order to characterize the quality of various voltage or current waveforms, the amplitude, average value, effective value, first harmonic and other parameters of voltage or current are generally ...[Details]
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UC3842 is a high-performance current-controlled pulse width modulation chip, also known as a modulator, which can output single-ended and directly drive bipolar power tubes or field-effect tubes. The...[Details]
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1 Introduction
Virtual instruments are computer-based instruments. The close integration of computers and instruments, and the construction of virtual instruments to replace complex and b...[Details]
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Introduction Based on the traditional drip irrigation system, this system uses ZigBee ad hoc network to transmit information in the farmland, without laying communication lines in the farmland; ...[Details]
Power technology
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