How to Make Rain Detector Science Project at Home in Bangla। Rain Detector Project। Rain Alarm Science Project। বৃষ্টির এলার্ম বিঙ্গান প্রোকল্প

Learn how to make a rain detector with alarm at home. It’s a really awesome electronics projects for studenys. Make this simple and easy rain detector sensor/rain detector alarm in this rainy season. This rain detector model is one of the best school/college science project using bc547 transistor, buzzer and 3.7v battery. Follow steps from this simple rain detector project video tutorial and learn how to make rain detector easily. I hope everyone like this video. Thank you for watching!!!

----------Components used:------------
1) BC 547 npn transistor
2) cardboard
3) colour paper
4) blade
5) wire
6) dc buzzer
7) 3.7v battery
8) pvc pipe
9) on/off switch
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