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Old 10/18/2017, 01:33 PM   #26
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Join Date: Dec 2005
Location: Pewsey, England
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Originally Posted by perkint View Post
That is pretty much what my controller will do, when I get round to porting it onto the ESP32 or ESP8266. Probably more likely to go with the ESP32 for essentially the same reasons you suggest - still about the same price and more powerful! And Bluetooth built in!

Not sure how accurate the built in time keeping is in the ESPs tho - the Arduinos are pretty inaccurate without an RTC, so would be tempted to include an RTC, but automatically set it from an NTP server when the 'net is available.

I looked into the ESP32 and the bluetooth is great and all but getting 2 to talk to each other via bluetooth will be a massive pain in the ***! I decided to go for the ESP8266 (cheaper) with a couple of these NRF24L01. This makes it easier to interface 2 or more arduino devices. I suspect I only need 2, a master and a slave for the lights but a slave on the RO storage unit or to run some power monitoring on the relays might also be cool.

The Google Fu is strong in this one.

Current Tank Info: 90 gallon sumped cube
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Old 10/19/2017, 06:13 AM   #27
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I have a few of the NRF24L01s to, but not actually played with them yet. Seem a reasonable solution for the sort of thing you suggest


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