I saw an evaluation video on Youku. The content is simple and informative, so I reposted it for technical exchange purposes only. I hope it can be seen by more hardware enthusiasts and electronics enthusiasts. I would like to thank the speaker. His Weibo information video contains, thank you, infringement and deletion.
[size=4]The original plan was to make a wireless audio transmission. The basic architecture is that an R21 collects the sound voltage regularly and then sends it to the receiving end through wireless.
Tesla Motors has announced a very fast electric car . The company has spent $25 million developing this two-seater convertible car, which costs between $85,000 and $100,000. The car can accelerate fro
Figure 3 Schematic diagram of the pins of two important components First, cut a suitable circuit board. Here I use a multi-hole multi-purpose board. I usually use it when I make small things. It is ve
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