>=20 > >> Yup, that was my plan, I am just worries I will typo something and=20 > suddenly have two parts that don't meet up on the board. >=20 > > That is what the ERC check is to help with. It is good at unconnected = nets and if you also use net classes, catching errors like a signal pin con= nected to a power net. > > Rob =09 >=20 > That won't help if you have a certain net name and misspelled it twice=20 > ... Somehow murphy wil triumph! >=20 /* Olin voice on */ That is not the problem I was describing ERC is designed to detect. /* Olin voice off */ ;-) On the whole, you just have to be careful and diligent in your checking of = things. Picking a consistent naming convention for signals is a good first= step. After that, get into the habit of naming nets right away if you thi= nk they will be used anywhere but within an inch or two of their originatin= g schematic element. Use the net classes to describe signals too. Often t= imes I will label signals even though they don't travel all over creation j= ust because it helps me keep things clear in my mind and later on the layou= t. And many of the libraries freely available for use in Eagle are pretty crum= my. They mix and match the use of pin types, have funny labeling schemes, = inconsistent use of pad sizes, drills, fonts and any number of oddities. S= o, be careful with any library you haven't personally written or at the ver= y least, explored "under the hood". Free is too frequently worth what you = paid (and often times less). Rob =20 --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .