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Make Your Own Rain Detector
Make Your Own Rain DetectorClick to enlarge product image
A simple electronic kit for beginners, transistors, resistors and cable are connected together with drawing pins on a wooden base. The resulting electronic instrument can be used to test for moisture, as a plant protector or conductivity meter. There is a clear description of transistors and resistors and there function.
Delivery without battery.
Contents:
- Wooden board,
- transistors,
- resistors,
- cable,
- battery clips,
- drawing pins,
- LED,
- blotting paper and
- instructions.
From 12 years, develops understanding of Physics and logical reasoning.