Quote Originally Posted by Fivetide View Post
Hi MC , nah the last on the rail powers two 5v servos the first powers a raspberry pi , i'll have to rethink if it drains or spikes to much, but they are 7 quid a pop I would expect then to have some umthh ! lol
Beer 5 ..now poured !
Use this: The PCB Track Width Calculator to calculate track width...

Incidentally, 3-pin regulators should have 10 - 100nF ceramic capacitors on input and output else things can get noisy. See their datasheets.