Mega is overkill.
Uno, Mini or Pro Micro will do fine. Use whatever geometry fits best in your project. Be aware that you can't easily solder wires to an Uno so while easy to prototype a final project based on it is more prone to failure.
Mega is overkill.
Uno, Mini or Pro Micro will do fine. Use whatever geometry fits best in your project. Be aware that you can't easily solder wires to an Uno so while easy to prototype a final project based on it is more prone to failure.