Arduino MEGA 63 relay Web switch

This revision is from 2015/10/09 00:50. You can Restore it.

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✔ 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