With 3 transistors, this sensitive circuit was found in the July 1990 issue of Radio Electronics magazine. The power supply is based on the voltage of the relay used.
Flood Alarm (CB25345E)
- Details
- Written by: Newton C. Braga
With 3 transistors, this sensitive circuit was found in the July 1990 issue of Radio Electronics magazine. The power supply is based on the voltage of the relay used.
