Diagram

SuperDroid Robots Inc
4 Relay Board
PAGE
1 OF 6
Notes:
1. Vin should be same voltage of relays
2. In TTL Signal should be 5v
5V, 12V or 24V Vin
See Note 1.
IN 1-7 are TTL Inputs
OUT 5-7 are HIGH Current
Driver Outputs(ULN2003)
NO: Normally Open
COM: Common
NC: Normally Closed

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