Arduino Killer!

And voila!

arduino killer

ESP8266 based. Uno form factor.  $6!!

Now along with something like this for $4 …

relay shield

You can have an OpenSprinkler killer for $10 instead of $155!!!

Still my old BlackWidow is fine for my home use but I have a backlog of family and friends wanting a wireless sprinkler controller.  Just takes a pickoff of the 12volt AC used to drive the sprinkler valves to create the voltages for the board.  A rectifier and few capacitors into a voltage regulator et cetera.

Goodbuy OpenSprinkler *sniff* so sad to see you go.


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