Can I use the same ground for my 5V battery and Arduino like this: - General Electronics - Arduino Forum
Batteries AAA 1,5V
All about 1.5v battery - is 1.5v battery the same as other battery-Tycorun Batteries
Li-ion oplaadbare batterij Mignon AA LR6 1600 mAh met 1,5 volt multi-beschermd met USB-oplaadfunctie, AccuSafe 1 stuk | Ready2use- batterijen | Batterij op maat | Accumulator | Akku-Shop Nederland
3LR12 4,5 volt lege batterij maximaal 3000 mAh, afmetingen ca. 65,0 x 61,5 x 21,5 mm | 4.5V 3R12 plat | Standaard batterijen | Batterijen | Akku-Shop Nederland
High Energy 4,5V batterij voor platte lampen | Lampen24.nl
8x1.5V Battery Holder with Standard Snap Connector