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Sensing lightning with an AS3935 Franklin Lightning Sensor and an ESP8266 #Weather

shred.zone documents building a lightning detector using an AS3935 Franklin Lightning Sensor.

The sensor module can be found at many online shops selling products from China. It is not really cheap, but still affordable. I decided to use an ESP8266 as microcontroller, so I can read the sensor data by WLAN. The sensor is connected to the ESP via SPI. There was also some space left for a SK6812 RGBW LED indicating the sensor status.

The result of this project can be found at GitHub. It’s called Kaminari (which is Japanese for lightning), and also comes with OpenSCAD files for a 3D printed, pyramid shaped case with illuminated tip. In this article I will explain a bit about how I developed the Kaminari firmware.

Read about the project and the calibration issues on shred.zone.


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