2 battery packs.
5 C-cells for the Mega, connect to Vin. Maybe Ds if you want it to run a long time. Or AAs if you can live with less. Or rechargeables.
Whatever you need for the servos.
Connect battery negatives and arduino ground together.
2 battery packs.
5 C-cells for the Mega, connect to Vin. Maybe Ds if you want it to run a long time. Or AAs if you can live with less. Or rechargeables.
Whatever you need for the servos.
Connect battery negatives and arduino ground together.