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1. Resistance insulation.
Insulation resistance is the resistance value presented by applying voltage to the insulating part of the USB2.0 interface, which causes leakage current on its surfac...[Details]
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1. What is the minimum system? The minimum circuit that allows the microcontroller to work normally is called the minimum system. 2. What circuits does the minimum system contain? ① Power supply circ...[Details]
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Pro/E
automatic mold parting is a practical method to divide volume blocks by using the side image curve of the automatic parting line (Note: it can also be created with composite or other cu...[Details]
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Today, the official Weibo account of iQOO mobile phone revealed a good news, that is, the iQOO Z1 One Piece Limited Edition is scheduled to go on sale on July 22. It is reported that the iQOO Z1 On...[Details]
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Before using a digital multimeter, you should carefully read the relevant instruction manual and be familiar with the functions of the power switch, range switch, jacks, and special jacks. Below, I wi...[Details]
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The type of motor protector should be selected based on the motor's operating conditions, including the motor's rated current, rated frequency, operating ambient temperature, load type, starting me...[Details]
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1. System Overview The modules used in the system include AT89C51 microcontroller + LCD1602 display screen + MQ-3 alcohol detection module + small lamp + ADC0832. This design uses 51 microcontrolle...[Details]
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Well, this experiment is also relatively simple~~ Use the buttons to adjust the PWM output (the cycle remains unchanged here, only the duty cycle is changed)~~ 7. Pulse Width Modulation (PWM) VII. (0...[Details]
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In our daily life, we often use infrared to control various electrical appliances, such as color TVs, air conditioners, electric fans, etc., which brings us more convenience, but sometimes we still...[Details]
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2023 will be a year of leapfrog upgrades in smart driving function experience. Many hard-core new technologies will make rapid progress and come to fruition in the Year of the Rabbit. Today, Autolab ...[Details]
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Temperature measurement and control is an important link in the production of refractory materials. The quality of kiln temperature control will directly affect the quality of the product. In particul...[Details]
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Previously, I saw in some documents and codes that the secondary page table of arm-linux is divided into Linux version and hardware version. I always felt that the concept was confusing and did not st...[Details]
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Infrared remote control is the most widely used communication and remote control method. Infrared remote control has the characteristics of small size, low power consumption, strong fun...[Details]
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instrument
J2458 or J2459 oscilloscope and power supply; 0-100V variable DC power supply; high internal resistance voltmeter (0-100V, DC).
principle
If one plate is at a positive potentia...[Details]
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When using GCC to develop ARM, you will definitely encounter compiler problems. For example, you will encounter various warnings and errors when compiling C code. For example, I encountered several...[Details]