2 - NHD-0420H1Z-FL-GBW-3V3-ND is the LCD module
5 - keithp wants a compass ... HMC5843
11 - holes for the LCD leads are too small
12 - for prototypes, workaround is remove pins from LCD module
13 and use wire-wrap wire to connect the 14 leads
15 - footprint for U17 (audio amp) is too wide .. need narrower SOIC 8
16 - for prototypes, existing footprint will work with careful
17 placement of the part and/or hand soldering after reflow