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1. Experimental tasks
A digital voltmeter is designed using the single-chip microcomputer AT89S51 and ADC0809. It can measure DC voltage values between 0 and 5V and display four digits, but requ...[Details]
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Keithley source meter SMU instruments provide current or voltage, and measure current, voltage, and resistance with high accuracy. SMU instruments provide intelligent solutions for backup power suppl...[Details]
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Open the /etc directory and edit the net.conf file in the directory cd /etc vi net.conf Modify the following content: IPADDR=172.20.11.237 #your IP address NETMASK=255.255.255.0 #Su...[Details]
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In industrial production, it is often encountered that some materials that need to be measured cannot be directly contacted, but there must be an accurate height or liquid level requirement. In this c...[Details]
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Interferometer is a universal length measuring tool that uses the Michelson interference system to measure displacement with the laser wavelength as the known length. There are two types of laser in...[Details]
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Preface
Vehicle DVR is a vehicle video terminal, commonly known as a vehicle video recorder. It is a new special product developed with the application of digital video and audio coding techno...[Details]
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1. There is no response when the USB flash drive is plugged into the machine
Repair ideas: According to the fault phenomenon, the USB flash drive does not work, and the conditions that the US...[Details]
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(1) LDR: L stands for LOAD. The meaning of LOAD should be understood as: Load from memory into register. The following statement explains it very clearly:
LDR R1,
R1 -
That is, ...[Details]
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In order to meet the EU's new emission regulations, Volkswagen has formulated a large-scale electric vehicle development plan. According to the plan, by 2020, the annual sales of Volkswagen Group ele...[Details]
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Technical Principle of Ultrasonic Level Meter The ultrasonic level meter is installed on the top of the container. Under the control of the electronic unit, the probe emits a beam of ultrasonic pulse...[Details]
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As people's requirements for car personalization and comfort gradually increase, color-changing full-color car interior atmosphere lights are gradually becoming a new trend. The requirements for LE...[Details]
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The new coronavirus epidemic has impacted the manufacturing industry's post-holiday resumption of work. In order to encourage employees to return to work as soon as possible, Foxconn has ...[Details]
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The main purpose of this summary is to make it clearer how the serial port interrupt of the microcontroller occurs. That is, how to trigger the sending function of the serial port interrupt. In the de...[Details]
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According to foreign media reports, the Helmholtz Institute Ulm (HIU) in Germany has developed a new lithium metal battery that can provide extremely high energy density (based on the total weight of...[Details]
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On October 30, according to CCTV News, on October 29, local time, Hildegard Mueller, president of the German Association of the Automotive Industry, issued a statement strongly opposing the EU's im...[Details]
Test/Measurement
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