Web switch 0.2 assembly

Part list

BOM

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

✔ 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

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