The tag 'watering plants attiny85' is only used once. This is the project:
Plant watering alarm
Completely hackable and customizable plant watering alarm and Attingy85 shield.
The hardest part about owning a houseplant is not killing it. And the hardest part about not killing your houseplant, is remembering to water it.That helps extend the life of your plant by reminding you to water it.