8 Channel Optically Isolated Board 4 Channel Inputs & 4 Channel Outputs for I/O Using PC817

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.   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

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