Uploaded September 2018 | Updated September 2026, 2 weeks ago

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Make Simple Rain / Water Detector with Alarm.

Components List :
- LED
- Resistor 1K
- Resistor 560 Ohm
- Transistor 2N2222 NPN
- DC Buzzer
- Battery 9V
- Battery 9V Clip/Connector
- Universal PCB

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Fritzing : fritzing.org/home
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