16x2 LCD with Leonardo via "LCM1602" - no characters

Wow. Wow. You honestly think that I'd be so stupid - so UTTERLY STUPID - as to ask for help without checking my soldering work? Really? I mean, I come on here, I ask for help, and you people just...

...oh.

Crap.

It was my soldering work. Quite literally the most embarrassing thing that's happened to me in quite a while.

hides under bed