4 Channel 5V Optically Isolated Module

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If you have ever had a project that required an interface with a high power device that needed AC or DC voltage and high current levels you have probably already discovered that attempting to control those devices directly with your Arduino, Raspberry PI, or other Microcontroller/Microprocessor can be a real challenge. This board is designed to interface easily with your 5V IO's without consuming much current on your IO pins.

With built in protection and amplification circuits this board is ideal for a wide range of control applications from just about any 5V IO.

Each relay has its own trigger pin, indication LED, kickback diode and optical isolation chip, Normally open (NO), common (C), and normally closed (NC) screw terminals.

Features:

  • Working Voltage: 5VDC
  • Device Control: 250VAC / 10A or 30VDC / 10A
  • Working Current: 15 - 20mA per channel
  • Relay State: Active LOW
  • Dimension (mm): 75 x 55 x 20

Mode of connection:

  1. GND
  2. IN1
  3. IN2
  4. IN3
  5. IN4
  6. VCC

Example:

An example of the Arduino code for this module can be found here. Please note you will need to set the pin to LOW to turn on.

Warranty and Support:

We programme and use all our products in our projects so are able to offer technical support and documentation.

We provide a warranty for any defects in manufacturing.