No, to pulse LEDs to switch an opto-isolator. c-:
On 6 January 2016 at 18:32, Jan Kandziora <j...@gmx.de> wrote: > Am 06.01.2016 um 15:58 schrieb Cornie Malan: > > I suspect the read is just a dummy to complete the command, but it does > > return a byte? > > > Datasheet says it returns the value read from PIO input circuit while > the pulse is generated. As the PIO pins are open drain, this doesn't > have to be the same as the desired output state. > > I think this function is mostly useless. We can just ignore this data. > > > > I want to make a low power passively powered opto-isolator to switch > > 230Vac. I will generate a passive Vcc at the chip, otherwise the pulse > > will not work. My other option is to switch and let the device do a low > > voltage reset when the power line collapses. I am not sure that planning > > for the supply to collapse will be reliable? > > > So, you want to use that pulse function to avoid the need for a watchdog? > > Kind regards > > Jan > > > > > ------------------------------------------------------------------------------ > _______________________________________________ > Owfs-developers mailing list > Owfs-developers@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/owfs-developers >
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