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Old 01-25-17, 05:08 AM   #8
Apprentice EcoRenovator
Join Date: May 2011
Location: Tortosa, Spain
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I've seen the sonoff devices, good devices and can be re-programmed so could be used as a pre-built controller with a few additions.

The sonoff SC is the unit that has the humidity/temperature sensors but they have opted to use the atmega328P (read Arduino) for adc to overcome the esp limitation.

There's a detailed look with modifications here:
Sonoff SC with MQTT and Domoticz support - Tinkerman

Also a guy called Peter Scargill has done lots with them
IOT Technology Blog

I'll post more details in a subsequent post.

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