Without seeing your layout it is hard to be more specific, but surely you can run a (fairly thick) ground wire down the other side, and tap into that for each Vcc pin?
How likely am I to have problems without them?
The idea is to connect Vcc to Gnd, not necessarily the pins.
QuoteHow likely am I to have problems without them?Quite unlikely.
Quote from: Nick Gammon on Jan 29, 2013, 11:37 pmThe idea is to connect Vcc to Gnd, not necessarily the pins. Thanks, this is the part I was missing. I was focusing too much on keeping the cap as close as possible to the pins, and not thinking about what it was actually there for.
Just to give you assurance, some one posted that they had never seen a case where decoupling capacitors solved a problem, so I collected some posts where they had. Here they are:-