No wonder: the digispark board runs from >= 5V. You might use 2*lilypad coin cell boards in series, but have a look at the current requirements of the digispark board. your 2032s will drain rather quickly.
No wonder: the digispark board runs from >= 5V. You might use 2*lilypad coin cell boards in series, but have a look at the current requirements of the digispark board. your 2032s will drain rather quickly.