Like you smscom basically
Theres not much inside them. All yours does is turn that knob automatically in response to temp
If we have the taps from that transformer, some relays, an Arduino and a temp humidity sensor then it becomes fully auto
They are called hybrids as they use old school transformers and digital control
Current diary
https://www.thctalk.com/cannabis-foru...le-Sun-Led-Kit
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