If you realy want to play safe choose opto coupler.. that's it.
But a good resistor match and sufficient current on the line + simple noise filter do also a good job with or without any shielded cable.
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If you realy want to play safe choose opto coupler.. that's it.
But a good resistor match and sufficient current on the line + simple noise filter do also a good job with or without any shielded cable.
Steve
It's not a bug, it's a random feature.
There's no problem, only learning opportunities.
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