This simple circuit that activates a buzzer was found in the July 1971 Radio Electronics magazine. The source must be isolated, and the sensors are metal bars.
Dryness Alarm (CB24142E)
- Details
- Written by: Newton C. Braga
This simple circuit that activates a buzzer was found in the July 1971 Radio Electronics magazine. The source must be isolated, and the sensors are metal bars.
