PGM hardware setup

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PGM hardware setup

Postby dad » Sat Oct 31, 2015 10:50 pm

Hi,

What I want to achieve is to be able to turn on and off a light using the * button on a keyfob.

I have a PM30 with the accessory card fitted, so I can configure the keyfob to the PGM output.

The light will be switched from an MQTT topic.

What I am looking for help with is the hardware connection between the PGM output and an arduino which will generate the MQTT messages.

Searching around seem to suggest a voltage divider to step down the voltage.

Has anyone tried this or any other successful approach?

TIA
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Re: PGM hardware setup

Postby Rene » Sun Nov 01, 2015 9:46 am

I use the * button on the keyfob to lock/unlock my garage door. But I use a software only solution. My software is monitoring the Powerlink port.
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Re: PGM hardware setup

Postby dad » Sun Nov 01, 2015 8:16 pm

Hi Rene,

That sounds interesting - what does your code look out for?

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