futz
Active Member
I used 2N2222A's with 1.2K base resistors.Transistors are 2N3904 NPN. Most people see that they're sourcing drivers and assume they're PNP (because the drawing is so fuzzy).
I've got 330's on the rows. Too much, but they were there and I wanted to start out safe.and 20 ohm current limiting resistors on the rows
Guess I'll go over the whole thing and trace every wire again. Sigh...