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Item contains:One item. I can provide a large number of spare parts for old PCs.
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This breakout board uses the TLP281 optoisolator and discrete transistors to correct the logic. Input: IN1 / IN2 / IN3 / IN4, SCM or Arduino IO port. GND with single-chip microcomputer or Arduino board GND connection.
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TLP281 4-Channel Opto-isolator IC Module High &Low level Expansion Board. This breakout board uses the TLP281 optoisolator and discrete transistors to correct the logic. Input: IN1 / IN2 / IN3 / IN4, SCM or Arduino IO port.
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