Duckin Fummy's Guide to PIC programming: CODA PCB

[mjg]

What are peoples' thoughts on latching vs non-latching relays?  From what I can see on the Coda example code, and the EC2-5NU relay used, it's non-latching.  That means constantly powering the relay to keep it switched doesn't it?

Is that necessarily a good or bad thing? 

Reason I ask is I'm about to do a custom board with relay switching, but I was planning to do a non-latching variety. 

I'm going to use an attiny85 for the control chip, mainly because I've done lots of Arduino before and I already know how to hook that up to do the programming.