[PLUG] Home Automation mochad netcat ha-bridge

Michael Barnes barnmichael at gmail.com
Sun Dec 6 02:38:58 UTC 2020


On Sat, Dec 5, 2020 at 5:58 PM Bill Barry <bill at billbarry.org> wrote:

> On Sat, Dec 5, 2020 at 3:22 PM Michael Barnes <barnmichael at gmail.com>
> wrote:
> >
> > Anybody have any experience with mochad or netcat?
> > My project is using a Raspberry Pi Zero with an X-10 CM-19A transceiver
> to
> > control my Christmas lights from Alexa.
> >
> > There are two components to this. First is to install mochad to pipe
> > commands to the CM-19A. I got mochad installed and it seems to work. From
> > the command line or script, I do
> >
> > echo "rf A2 on" | nc localhost 1099
> >
> Does
> nc localhost 1099  << EOF
> rf A2 on
> EOF
> work? Some netcats need more persuasion, but some way of feeding it an
> EOF is needed.
>
> Bill
>

Apparently, the EOF thing was an issue.  Adding the -q flag fixed it.

echo "rf A2 on" | nc -q 0 localhost 1099

An entry in /etc/rc.local seems to have fixed the startup problem.

Got ha-bridge and mochad talking. Now the last hurdle is getting Alexa to
talk to ha-bridge.

Michael



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