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1. First, you need to write u-boot to the SD card and boot from the SD card.
Use a card reader to insert the SD card into the computer, use umount to unmount the USB drive, and fdisk -l s...[Details]
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0 Introduction
The tobacco leaf curing process is a key step in producing high-quality tobacco leaves, and the quality of flue-cured tobacco is closely related to the temperature and humidit...[Details]
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The MAX6173-MAX6177 are low-noise, high-precision voltage references. The devices feature a proprietary temperature coefficient curvature correction circuit and laser-trimmed thin-film resistors, whic...[Details]
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Interference zone description:
The same workstation needs to enter the same area during the work process, but there is no strict restriction on the order of entry, that is, any robot that ente...[Details]
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Open the project 2. Create New Project… 3. Empty project 4. Save the project to the specified folder The newly completed projects are as follows: 5. Configure Options 6. Select stm8 device ...[Details]
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Recently, GAC Group announced at the Guangzhou International Auto Show that it will install all-solid-state batteries in vehicles by 2026. An industry insider told the reporter of Securities Daily: So...[Details]
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_ : Ultrasonic rangefinder module: _ :51 MCU, 11.0592MHz crystal oscillator, basic example of sending collected data to the serial port: _ :Code: 1 /******************************************...[Details]
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Clock frequency division and timing conversion circuit
After sending the 1024KHz square wave signal into the input end (pin 1) of the inverter U206:A (74LS04), it is output to the first-stage fr...[Details]
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In recent years, with the continuous rapid development of the new energy vehicle market at home and abroad, vehicle intelligence and connectivity have become topics of focus for car companies and ind...[Details]
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1. Concept of timer/counter of MCS-51 microcontroller The timer and counter in the microcontroller are actually the same physical electronic component, but the counter records what happens outside ...[Details]
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There are two types of multimeters on the market, one is a pointer multimeter and the other is a digital multimeter. In fact, their principles are the same, but the voltage, current and resistance ...[Details]
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Synopsys today announced the opening of its Wuhan Global Research and Development Center. Mr. Zhou Xianwang, Deputy Secretary of the Wuhan Municipal Party Committee and Mayor of Wuhan Municipal Peopl...[Details]
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Matrix keyboard, Proteus provides a variety of matrix keyboards, including calculators, telephones, and custom layouts. Encapsulating multiple keys is more vivid. In order to clarify the internal wir...[Details]
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IDC published preliminary data on global smartphone shipments in Q2 2019. From the perspective of market share, on the one hand, Samsung's seven-year championship position remains unchanged; on the o...[Details]
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UPS power supply can be divided into conversion type and parallel type according to the inverter combination mode. The main circuit block diagram of single-phase conversion type UPS power supply with...[Details]
PCB Design
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