Rain Sensor DIY with two BC546

Circuit can detect rain, and signal it by switching on a LED.
The circuit is based on two BC546 transistors, the operation is very simple: The water wetting the sensor, and create a bridges between the electrodes... the circuit detects this contact and turns on a LED.
You can find the electric diagram in the end of the video.

I recommend that you observe a distance of at least 3 mm between the sensor contacts

Stay Tuned =)

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WARNING: This video is only for demonstration. I don't take any responsibility for damage to things, people and animals.

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Видео Rain Sensor DIY with two BC546 канала Electronic Projects Stefano91ste