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<blockquote data-quote="a33" data-source="post: 1163197" data-attributes="member: 332642">So it looks like you are referring to your own modification, not the one that was in the post that I linked.I guess a schmitt trigger could indeed help with miss-counts? Otherwise an Solid State Relay would be a rather 'heavy' solution for just a pulses circuit, I would think; an opto-coupler (for low amperage) would be enough?I don't see that it would allow extra voltage control. With just one opto-coupler, you still need the 5V and ground for the diode (two terminals), and the pulse (and ground) (one extra terminal) for the pulse. The Pulse-circuit in the V-box then can be at any voltage you like.But you are saying that having the pulse/ground-circuit in the V-box itself, is much better than having it over the Pulse/ground circuit over the (long) cable? Thus maybe reducing the effect of induced impulses over the cable a bit?Has somebody ever tried, with just one opto-coupler?Greetz,A33</blockquote>

[QUOTE="a33, post: 1163197, member: 332642"] So it looks like you are referring to your own modification, not the one that was in the post that I linked. I guess a schmitt trigger could indeed help with miss-counts? Otherwise an Solid State Relay would be a rather 'heavy' solution for just a pulses circuit, I would think; an opto-coupler (for low amperage) would be enough? I don't see that it would allow extra voltage control. With just one opto-coupler, you still need the 5V and ground for the diode (two terminals), and the pulse (and ground) (one extra terminal) for the pulse. The Pulse-circuit in the V-box then can be at any voltage you like. But you are saying that having the pulse/ground-circuit in the V-box itself, is much better than having it over the Pulse/ground circuit over the (long) cable? Thus maybe reducing the effect of induced impulses over the cable a bit? Has somebody ever tried, with just one opto-coupler? Greetz, A33 [/QUOTE]

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