Onyehn 2pcs 8 Channel DC 5V Relay Module with Optocoupler for arduino UNO R3 MEGA 2560 1280 PIC AVR DSP ARM STM32 Raspberry Pi

Description:
1. the module complies with international safety standards, the load control area and regional isolation tank
2. using double-sided FR-4 circuit board design, high-end chip production process
3. working status indicator lights are conducive to the safe use.
4. Support all single-chip microcomputer, control Industrial circle, PLC controller, Household intelligent control
5.8 and 8 normally open normally closed contact
6. blue KF301 terminals to the control line is more convenient.
7.
Module size: 138m * 56mm * 19.3 mm ( L * W * H ), Weight: 120g

Two module interface:

1. VCC: 5V power supply connected to the positive
2. GND: 5V power supply connected to the negative
3. IN1-IN8: trigger signal, active low
Relay outputs: a 12- line interface, the interface can be directly connected to all leads, user-friendly
4. NO1 - NO8: normally open relay interfaces, relay before the vacant after the pull shorted with COM
5. COM1 - COM8 Relay Common Interface
6. NC1 - NC8: normally closed relay interface relay shorted with COM ago, after the pull- vacant

Package included:
2 x 8 Channel Relay Module