Global Specialties GSK-908 - Soil Moisture Indicator Kit
The Global Specialties GSK-908 circuit utilizes four LEDs to indicate the level of moisture in the soil. An increase in the number of LEDs lit indicates an increase in the amount of moisture present. This kit may be assembled without soldering on any Global Specialties trainer or breadboard (not included), or by soldering to the included PCB. Parts and assembly instructions included.