• USB8VI4DIOSR

This board is available as a low cost, general purpose USB powered 8 channel voltage input, 4 channel DIO and 4 channel relay board.  Voltage input and DIO/relay channels are opto-isolated.  Available with 30VDC/1A high sensitivity (gold contact) signal relays, and fixed screw terminal connectors. 

Suitable for a wide range of voltage measurement applications and signal switching, automation/control.  USB powered and hot swappable, with USB power, voltage input and relay channel status indication LEDs. 

These are industry standard relay boards and products.  High quality, for professional electronic  automation,  connectivity, and control.

Easydaq products are used in research and education, security, industrial applications, power and energy management,  motor and device  control. There are uses across various industries, including  maritime , rail,  automotive, automation, measuring and calibration, agriculture , medical, sanitation, light and power solutions, fire protection, security, and many more.

You can order any of our boards with customisations or without connectors fitted - contact us for prices

Download datasheet

EasyDAQ is primarily a business-to business seller, supplying products around the world, therefore advertised prices exclude VAT. Customers in the UK and Northern Ireland will be charged VAT  at checkout. 

Operational Parameters
Manufacturer EASYDAQ
Control Interface USB
Relay coil voltage 5V
Relay Channels 4
Relay contact current 1A
Digital input channels 8
Relay Type SIGNAL
Digital output channels 4
Opto-isolated YES
Connector SINGLE PART CONNECTORS

USB8VI4DIOSR

  • Brand: Easydaq
  • Product Code: USB8VI4DIOSR
  • Availability: In Stock
  • £68.00


  • 10 or more £61.20
  • 25 or more £58.14
  • 50 or more £56.67
  • 100 or more £55.27
  • 250 or more £53.85
  • 500 or more £52.44

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Tags: USB, 8 channel signal relay board, DIO