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I came up with it when I was bored, and successfully made a super-miniature receiver. It can be used as a Bluetooth headset, haha. It's just for fun. You can make one according to the circuit diagr...[Details]
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Introduction With the unprecedented prosperity of LED technology, LED badges have attracted much attention. LED badges, also known as LED work badges, are novel LED patch dot matrix "business card" d...[Details]
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C8051F020 I/O Configuration Summary
Each I/O pin of 020 can be configured as push-pull or open-drain output. At the same time, a digital cross switch is introduced, allowing internal digita...[Details]
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Apple CEO Tim Cook is optimistic about the upcoming self-service repair program, believing that the program is an ideal option for "trained" technicians and enthusiasts. Apple's self-service repair p...[Details]
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With the development of electronic technology, daily lighting keeps up with the times and incorporates electronic technology. In order to save energy, lamps also use LEDs (light-emitting diodes), whi...[Details]
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When the differential pressure flow meter is used on site, various problems often occur. However, if the cause is investigated, as long as it is installed correctly, the main problem mainly occurs o...[Details]
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1. Register R16 is used as CPSR (Current Program Status Register). CPSR can be accessed in any operating mode. It includes conditional flags, interrupt disable bits, current processor mode flags, and ...[Details]
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It is reported that Apple has officially announced the time of its fall conference, which will be held at 10 a.m. PDT on September 15 (1 a.m. Beijing time on September 16). This is also Apple’s secon...[Details]
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The DVB-S based set-top box needs to drive the external horizontal and vertical polarized antennas and adjust the wireless direction to get the strongest signal. The power to drive the antenna is prov...[Details]
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The generator rotor AC impedance tester is mainly used to measure the rotor AC impedance of various synchronous generators, and can also be used for single-phase short-circuit and no-load characteris...[Details]
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Brief description
Advertisement is a form of information service. The emergence of wireless vehicle-mounted LED screens has made it possible to deeply expand the advertising market and fully d...[Details]
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Early testing shows that the new Ceramic Shield front panel on the iPhone 12 and iPhone 12 Pro appears to significantly improve the iPhone’s durability and scratch resistance. Apple says that Ceram...[Details]
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Designing a buck converter is not an easy task. Many users want a converter that is a box that takes a DC voltage into one end and outputs another DC voltage out the other end. This box can take ma...[Details]
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The modernization of programming languages and better coding techniques are directly related to the evolution from mechanical computers to modern software development processes. We have moved fro...[Details]
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Once the concept of ubiquitous power Internet of Things was proposed, it has attracted widespread attention from the industry, especially information and related industries. In fact, the ubiquitous...[Details]