Franzis Do-it-yourself thunderstorm alarm

Thunderstorms seem to come suddenly and often have devastating consequences. Whether agriculture, home or outdoor sports activities: Only those who are warned in time can take precautions. The Franzis thunderstorm detector helps to protect yourself from thunderstorm damage.
Simple and instructive
This kit makes it easy for you: The circuit board is almost completely assembled. Therefore the assembly is very easy. After only a few simple steps, your electronic thunderstorm alarm protects you from unpleasant weather surprises. The device evaluates the electromagnetic signals of a thunderstorm in the frequency range around 500 kHz and thus detects when there is a thunderstorm in the air. Simple additional experiments illustrate the connections.
Three warning levels
Three warning levels indicate the distance to the thunderstorm. At the latest when the red LED lights up, you should carry out the last safety measures. The low power consumption of the device ensures that you are protected all summer long. Simply place your device in front of the window and leave it switched on throughout the summer. With the simulation mode you can check the function of the device at any time.
Projects that really work
Franzis learning packages are characterized by high quality and easy implementation even for beginners. All experiments were tested for their practical suitability. So you can be sure that everything will work out at home too.