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Bought a 4 relays optocoupler board...but strange schematics..
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6
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5949
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May 6, 2021
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12V 16 relay board powering
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9
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2342
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May 6, 2021
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Powering up my 16ch 5v Relay shield
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13
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6706
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May 5, 2021
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I could use help understanding this relay board
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7
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4428
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May 5, 2021
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8 Channel Relay Board - Proofreading
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46
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37714
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May 6, 2021
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