This is an 8-channel relay interface board, which can be controlled directly by a wide range of microcontrollers such as Arduino, AVR, PIC, ARM, PLC, etc.

Functions:

• Module is 5V active low.
  
• 8 Channels are optically isolated, safe, reliable, high anti-interference.
  
• It is also able to control various appliances and other equipments with large current.
  
• Relay output maximum contact is AC250V 10A and DC30V 10A.
  
• Standard interface can be directly connected with microcontrollers.
  
• Red working status indicator lights are conducive to the safe use.
  
• Widely used for all MCU control, industrial sector, PLC control, smart home control.
  
• Each relay has normally open and normally closed contacts.
  
• Support all single-chip microcomputer control
  
• Industrial circle
  
• PLC controller
  
• Household intelligent control
  

Specifications:

• Working voltage: 5V
  
• Channel: 8 channel
  
• Item size: 13.4x5.3x1.7cm / 5.28x2.09x0.67in
  
• Item weight: 116g / 4.11oz
  
• Package weight: 118g / 4.17oz