Board Relay 8 Ch.

M0dule description :
1. Maximum load on normally open pin (NO) : AC 250V/10A, DC 30V/10A.
2. Trigger current 5 mA.

Module interface specifications :
1. VCC : DC power supply positive pole.
2. GND : DC power supply negative pole.
3. CTR1~CTR8 : relay signal triggering pin connected to the microcontroller IO port (active HIGH/LOW).

Relay Output :
1. Normally closed pin (NC1~NC8) : relay normally closed pin.
2. Common pin (COM1~COM8) : relay common pin.
3. Normally open pin (NO1~NO8) : relay normally opened pin.