Electronic Do It Yourself Waterless Plant Alarm
Product Description
Features/Specifications:
Electronic Waterless Plant Alarm
General Features: Adjustable variable resistor
Easy to build
Alarm buzzes when no water detected in plant soil
Runs on two (2) AA sized batteries (not included)
Package Includes: One (1) variable resistor
1/4-watt resistor (10K ohms)
One (1) 6P sliding switch
One (1) transistor buzzer
One (1) 3V battery set
One (1) plug
One (1) coaxial cable
One (1) PCB
Instructions
General Features:
Package Includes:
