Is it possible to use the header on PCB directly?

[tengg]

Instead jumping wires from PCB?

[jonhiggs]

Yeah, it's possible. I've described what each of the pins do somewhere. The only reason that I didn't go that way was because I couldn't find a connector to attach to the board. I think it's a 2x14 male header with a 2.00mm pitch.

If you find one, can you please post a link back?

[jonhiggs]

The pins for the header are like so:

28/27	26/25	24/23	22/21	20/19	18/17	16/15	14/13	12/11	10/09	08/07	06/05	04/03	02/01
GND	C12	C11	C10	C9	C8	C7	C6	C5	C4	C3	C2	C1	C0
OC13	LED1	LED2	+5v	C15	C14	R7	R6	R5	R4	R3	R2	R1	R0