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1. The first method of making a simple antenna:
First, use a nail to poke a hole on the outside of the opening of the can, pass a screw through it, and fix the two cans on an insulating st...[Details]
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Working principle of intermittent oscillator
In Figure 8-9(a), the transistor works in common emitter mode, and its collector voltage is fed back to the base through transformer T, and the connec...[Details]
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Recently, Jiuquan Runke ALBA series early warning inverters obtained the CQC product certification issued by the China Quality Certification Center, which means that the performance and reliability...[Details]
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1. Pins and their functions DAC0832 is a dual in-line 8-bit D/A converter. It can complete the conversion from digital input to analog (current) output. Figure 1-1 and Figure 1-2 are the pin diagram ...[Details]
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The oscilloscope is a commonly used electronic measuring instrument, which is widely used in many fields. The oscilloscope is mainly used to detect electrical signals such as voltage, current, frequ...[Details]
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The thermal characteristics of the LED from the PN junction to the environment must be clearly understood to ensure a safe, reliable design and satisfactory performance. There may be multiple therm...[Details]
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The OnePlus 10 Pro has been officially launched. It is equipped with a Snapdragon 8 Gen 1 chip, a Samsung E4 2K OLED screen, and an exclusive customized Sony IMX789 sensor. According to foreign media...[Details]
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15W constant power switching power supply circuit
Figure 15W constant power switching power supply circuit
The circuit of the 15V, 15W constant power switching power supply ...[Details]
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1. Software Simulation Keil has a powerful software simulation function. Through software simulation, many problems that will occur can be discovered. Keil simulation can view many hardware-relat...[Details]
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Coding keyboard Computer keyboard Non-encoded keyboard (1) Hardware debounce (2) Software debounce Independent keyboard The relationship between lines and first gives the IO port a high level and u...[Details]
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According to news on November 6, Japan’s Canon has been investing in nano-imprint Lithography (NIL), a new chip manufacturing technology, and plans to set the price of the new chip manufacturing equi...[Details]
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OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
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The U.S. Air Force recently deployed a robot dog during its first-ever Simultaneous Nuclear Readiness Training (SNORT) at MacDill Air Force Base in Florida.
The so-called robot dog is actually...[Details]
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Some people may be confused by a bunch of theoretical knowledge when using an oscilloscope for the first time, and thus lose interest in learning. If we can first learn how to measure a simple signal...[Details]
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Preparation:
1. Download the latest OS porting data on stm32 from the micrium official website. The download address is: http://micrium.com/download/Micrium-ARM-OS-II-Cortex-M3.exe
2. Platform con...[Details]
Test/Measurement
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