8 Channel Optically Isolated IO Board

Rajkumar Sharma      http://www.rajkumarsharma.com  
2916
Project tested

8-channel-optically-isolated-io-board-c047_w

Opto-Isolated I/O Board offers a compact & convenient way to interface industrial type inputs/outputs to your microcontroller boards, Signal transmission between circuits of different potentials and impedances etc.

Specifications

  • 4 opto-isolated inputs & 4 opto-isolated outputs
  • Std TTL input signals for opto-couplers
  • Interfacing is via 10-pin Box Header and Screw terminal type connector
  • Power source LED indicator
  • Four mounting holes 3.2 mm each
  • PCB dimensions 54 mm x 64 mm

Schematic

8-channel-optically-isolated-io-board-schematic

Parts list

8-channel-optically-isolated-io-board-bom

Photos

8-channel-optically-isolated-io-board-c047

PCB

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