Web switch 0.2 assembly
Part list(Edit)
| PCB | ||
| C1 | capacitor 10u | SMD 0805 | 
| R1-R63 | resistor 1k | SMD 0805 | 
| D1-D63 | LED diode | SMD 0805 | 
| U1-U8 | ULN2803 | SOIC (SO18W) | 
| Arduino | short 29 pin | pitch 2.54mm | 
| Arduino | long 54 pin | pitch 2.54mm, 29mm long | 
| JP1,JP2 | jumper | pitch 2.54mm | 
| P1,P2,P3,P4 | header 2x10pin | pitch 2.54mm | 
| Four distance spacers | M3 x 35mm | 
Assembly gallery(Edit)

✔ All components


❏ Solder all resistor on bottom side


❏ Solder all resistor on top side

✔ Next step is LED diode - necessary to observe polarity


❏ Solder all LED

❏ C1 capacitor


❏ Eight ULNs IO

❏ Short pin header on bottom side


❏ Long pin header on bottom side


❏ Four 20pin header and two jumper on top side
❏ Four distance spacers M3 x 35 mm