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Use Arduino to detect lightning strikes

Posted on September 2, 2021 by William

Lightning is a powerful and seemingly mysterious natural force that can release a large amount of energy in a relatively short period of time and strikes almost randomly. However, lightning follows the laws of physics like everything else, and with a little technology, some of its mysteries can be unlocked.On the one hand, it Only a small radio receiver is needed to detect lightning strikes, with [mircemk] Show us how to do this.

When lightning flashes, it also illuminates an extremely wide radio spectrum. This version uses AM radio built into a small integrated circuit to detect some of these radio waves. The Arduino Nano receives the signal from the TA7642 IC and lights up a series of LEDs when it detects an impact that is getting closer and closer to the detector. When a lightning strike is detected, the white LED will flash, and some analog circuits support an analog ammeter, which also moves during the lightning strike.

Although this project is not the first lightning detector we have seen, it does have higher sensitivity than most other homemade products. Something like this would be a useful tool for lifeguards in swimming pools or staff who are often outside, but we also think it’s very cool to exist just for its own sake, and three of them can be networked together for triangle It is also possible to measure strikes.

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