[ale] IoT

[Jim Kinney]

Must find time to tinker soon. Thanks for the details. Looking at multiple
automation and data collection projects and this opened new ideas for me.

On Jul 26, 2016 9:55 PM, "Chris Fowler" <cfowler at outpostsentinel.com> wrote:

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> ------------------------------
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> *From: *"Jim Kinney" <jim.kinney at gmail.com>
> *To: *"Atlanta Linux Enthusiasts - Yes! We run Linux!" <ale at ale.org>
> *Sent: *Tuesday, July 26, 2016 9:06:54 PM
> *Subject: *Re: [ale] IoT
>
> What's your replacement for zigbee?
>
> NodeMCU ESP-12Es.
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> I started using one to monitor moisture in a ceiling after a bathroom
> remodel to a tiled shower.  I then added temp/humdity.  I then added power
> control, etc.
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> Each runs MQTT.  I'm running Mosquitto on Linux.
>
> To bridge my X10 legacy power control I wrote a program that subscribes to
> x10/<house>/<device> topics.  It then executes bottlerocket using a
> firecracker on ttyS0.  I have a device that will allow Linux to read X10
> messages on power, but I have to build it.  Once done then my X10 button
> transmit devices can bridge to MQTT.
>
> You can buy NodeMCUs from Amazon for about $10.  China about $3.  Relay
> for power control about $1.   I have found some pre-made devices for around
> $7 that can be reprogrammed.   The benefit is that they include the
> enclosure.
>
> Using esp-link firmware you can take the NodeMCU and turn it into a "wifi
> shield" for Arduino.   I investigated Zigbee and Z-Wave to replace my X10,
> but I found NodeMCU and will not look back.
>
> I was using REST and then found MQTT.  I wrote a REST to MQTT gateway so I
> could still use REST from clients if required.
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