Main Content

Reducing Battery Power Consumption for Digispark ATtiny85

or: Running an Arduino with a 2032 coin cell for 2 years.
Using your Digispark Arduino Board out of the box with an Arduino program it draws 20 mA at 5 volt.
With a 5 volt power bank of 2000 mAh it will only run for 4 days.”

Link to article